diff --git a/d2compiler/compile_test.go b/d2compiler/compile_test.go
index c484dd4e0..ceb751603 100644
--- a/d2compiler/compile_test.go
+++ b/d2compiler/compile_test.go
@@ -2301,6 +2301,16 @@ obj {
 `,
 			expErr: `d2/testdata/d2compiler/TestCompile/grid_negative.d2:3:16: grid-columns must be a positive integer: "-200"`,
 		},
+		{
+			name: "grid_gap_negative",
+			text: `hey: {
+	grid-gap-columns: -200
+	grid-gap-rows: -30
+}
+`,
+			expErr: `d2/testdata/d2compiler/TestCompile/grid_gap_negative.d2:2:20: grid-gap-columns must be a non-negative integer: "-200"
+d2/testdata/d2compiler/TestCompile/grid_gap_negative.d2:3:17: grid-gap-rows must be a non-negative integer: "-30"`,
+		},
 		{
 			name: "grid_edge",
 			text: `hey: {
diff --git a/testdata/d2compiler/TestCompile/grid_gap_negative.exp.json b/testdata/d2compiler/TestCompile/grid_gap_negative.exp.json
new file mode 100644
index 000000000..a37b783c0
--- /dev/null
+++ b/testdata/d2compiler/TestCompile/grid_gap_negative.exp.json
@@ -0,0 +1,16 @@
+{
+  "graph": null,
+  "err": {
+    "ioerr": null,
+    "errs": [
+      {
+        "range": "d2/testdata/d2compiler/TestCompile/grid_gap_negative.d2,1:19:26-1:23:30",
+        "errmsg": "d2/testdata/d2compiler/TestCompile/grid_gap_negative.d2:2:20: grid-gap-columns must be a non-negative integer: \"-200\""
+      },
+      {
+        "range": "d2/testdata/d2compiler/TestCompile/grid_gap_negative.d2,2:16:47-2:19:50",
+        "errmsg": "d2/testdata/d2compiler/TestCompile/grid_gap_negative.d2:3:17: grid-gap-rows must be a non-negative integer: \"-30\""
+      }
+    ]
+  }
+}