diff --git a/ci/release/changelogs/next.md b/ci/release/changelogs/next.md
index f3c0d2a77..c221c8128 100644
--- a/ci/release/changelogs/next.md
+++ b/ci/release/changelogs/next.md
@@ -2,4 +2,6 @@
 
 #### Improvements 🧹
 
+- Improves compiler's tooltip URL check. [#1390](https://github.com/terrastruct/d2/pull/1390)
+
 #### Bugfixes ⛑️
diff --git a/d2compiler/compile.go b/d2compiler/compile.go
index 4718636c5..0825166d6 100644
--- a/d2compiler/compile.go
+++ b/d2compiler/compile.go
@@ -533,8 +533,8 @@ func (c *compiler) compileReserved(attrs *d2graph.Attributes, f *d2ir.Field) {
 	}
 
 	if attrs.Link != nil && attrs.Tooltip != nil {
-		_, err := url.ParseRequestURI(attrs.Tooltip.Value)
-		if err == nil {
+		u, err := url.ParseRequestURI(attrs.Tooltip.Value)
+		if err == nil && u.Host != "" {
 			c.errorf(scalar, "Tooltip cannot be set to URL when link is also set (for security)")
 		}
 	}
diff --git a/d2compiler/compile_test.go b/d2compiler/compile_test.go
index 19f41a60b..56f5b0088 100644
--- a/d2compiler/compile_test.go
+++ b/d2compiler/compile_test.go
@@ -1505,6 +1505,11 @@ x -> y: {
 			text:   `x: {link: https://not-google.com; tooltip: https://google.com}`,
 			expErr: `d2/testdata/d2compiler/TestCompile/no_url_link_and_url_tooltip_concurrently.d2:1:44: Tooltip cannot be set to URL when link is also set (for security)`,
 		},
+		{
+			name:   "url_link_non_url_tooltip_ok",
+			text:   `x: {link: https://not-google.com; tooltip: note: url.ParseRequestURI might see this as a URL}`,
+			expErr: ``,
+		},
 		{
 			name: "url_link_and_not_url_tooltip_concurrently",
 			text: `x: {link: https://google.com; tooltip: hello world}`,
diff --git a/testdata/d2compiler/TestCompile/url_link_non_url_tooltip_ok.exp.json b/testdata/d2compiler/TestCompile/url_link_non_url_tooltip_ok.exp.json
new file mode 100644
index 000000000..55017b2a1
--- /dev/null
+++ b/testdata/d2compiler/TestCompile/url_link_non_url_tooltip_ok.exp.json
@@ -0,0 +1,184 @@
+{
+  "graph": {
+    "name": "",
+    "isFolderOnly": false,
+    "ast": {
+      "range": "d2/testdata/d2compiler/TestCompile/url_link_non_url_tooltip_ok.d2,0:0:0-0:93:93",
+      "nodes": [
+        {
+          "map_key": {
+            "range": "d2/testdata/d2compiler/TestCompile/url_link_non_url_tooltip_ok.d2,0:0:0-0:93:93",
+            "key": {
+              "range": "d2/testdata/d2compiler/TestCompile/url_link_non_url_tooltip_ok.d2,0:0:0-0:1:1",
+              "path": [
+                {
+                  "unquoted_string": {
+                    "range": "d2/testdata/d2compiler/TestCompile/url_link_non_url_tooltip_ok.d2,0:0:0-0:1:1",
+                    "value": [
+                      {
+                        "string": "x",
+                        "raw_string": "x"
+                      }
+                    ]
+                  }
+                }
+              ]
+            },
+            "primary": {},
+            "value": {
+              "map": {
+                "range": "d2/testdata/d2compiler/TestCompile/url_link_non_url_tooltip_ok.d2,0:3:3-0:93:93",
+                "nodes": [
+                  {
+                    "map_key": {
+                      "range": "d2/testdata/d2compiler/TestCompile/url_link_non_url_tooltip_ok.d2,0:4:4-0:32:32",
+                      "key": {
+                        "range": "d2/testdata/d2compiler/TestCompile/url_link_non_url_tooltip_ok.d2,0:4:4-0:8:8",
+                        "path": [
+                          {
+                            "unquoted_string": {
+                              "range": "d2/testdata/d2compiler/TestCompile/url_link_non_url_tooltip_ok.d2,0:4:4-0:8:8",
+                              "value": [
+                                {
+                                  "string": "link",
+                                  "raw_string": "link"
+                                }
+                              ]
+                            }
+                          }
+                        ]
+                      },
+                      "primary": {},
+                      "value": {
+                        "unquoted_string": {
+                          "range": "d2/testdata/d2compiler/TestCompile/url_link_non_url_tooltip_ok.d2,0:10:10-0:32:32",
+                          "value": [
+                            {
+                              "string": "https://not-google.com",
+                              "raw_string": "https://not-google.com"
+                            }
+                          ]
+                        }
+                      }
+                    }
+                  },
+                  {
+                    "map_key": {
+                      "range": "d2/testdata/d2compiler/TestCompile/url_link_non_url_tooltip_ok.d2,0:34:34-0:92:92",
+                      "key": {
+                        "range": "d2/testdata/d2compiler/TestCompile/url_link_non_url_tooltip_ok.d2,0:34:34-0:41:41",
+                        "path": [
+                          {
+                            "unquoted_string": {
+                              "range": "d2/testdata/d2compiler/TestCompile/url_link_non_url_tooltip_ok.d2,0:34:34-0:41:41",
+                              "value": [
+                                {
+                                  "string": "tooltip",
+                                  "raw_string": "tooltip"
+                                }
+                              ]
+                            }
+                          }
+                        ]
+                      },
+                      "primary": {},
+                      "value": {
+                        "unquoted_string": {
+                          "range": "d2/testdata/d2compiler/TestCompile/url_link_non_url_tooltip_ok.d2,0:43:43-0:92:92",
+                          "value": [
+                            {
+                              "string": "note: url.ParseRequestURI might see this as a URL",
+                              "raw_string": "note: url.ParseRequestURI might see this as a URL"
+                            }
+                          ]
+                        }
+                      }
+                    }
+                  }
+                ]
+              }
+            }
+          }
+        }
+      ]
+    },
+    "root": {
+      "id": "",
+      "id_val": "",
+      "attributes": {
+        "label": {
+          "value": ""
+        },
+        "labelDimensions": {
+          "width": 0,
+          "height": 0
+        },
+        "style": {},
+        "near_key": null,
+        "shape": {
+          "value": ""
+        },
+        "direction": {
+          "value": ""
+        },
+        "constraint": null
+      },
+      "zIndex": 0
+    },
+    "edges": null,
+    "objects": [
+      {
+        "id": "x",
+        "id_val": "x",
+        "references": [
+          {
+            "key": {
+              "range": "d2/testdata/d2compiler/TestCompile/url_link_non_url_tooltip_ok.d2,0:0:0-0:1:1",
+              "path": [
+                {
+                  "unquoted_string": {
+                    "range": "d2/testdata/d2compiler/TestCompile/url_link_non_url_tooltip_ok.d2,0:0:0-0:1:1",
+                    "value": [
+                      {
+                        "string": "x",
+                        "raw_string": "x"
+                      }
+                    ]
+                  }
+                }
+              ]
+            },
+            "key_path_index": 0,
+            "map_key_edge_index": -1
+          }
+        ],
+        "attributes": {
+          "label": {
+            "value": "x"
+          },
+          "labelDimensions": {
+            "width": 0,
+            "height": 0
+          },
+          "style": {},
+          "tooltip": {
+            "value": "note: url.ParseRequestURI might see this as a URL"
+          },
+          "link": {
+            "value": "https://not-google.com"
+          },
+          "near_key": null,
+          "shape": {
+            "value": "rectangle"
+          },
+          "direction": {
+            "value": ""
+          },
+          "constraint": null
+        },
+        "zIndex": 0
+      }
+    ]
+  },
+  "err": null
+}