diff --git a/script/compile b/script/compile
index 5e2de169..42ab80c2 100755
--- a/script/compile
+++ b/script/compile
@@ -105,7 +105,6 @@ then
     export BABASHKA_FEATURE_SELMER="${BABASHKA_FEATURE_SELMER:-false}"
     export BABASHKA_FEATURE_LOGGING="${BABASHKA_FEATURE_LOGGING:-false}"
     export BABASHKA_FEATURE_PRIORITY_MAP="${BABASHKA_FEATURE_PRIORITY_MAP:-false}"
-    export BABASHKA_FEATURE_RRB_VECTOR="${BABASHKA_FEATURE_RRB_VECTOR:-false}"
 fi
 
 "$GRAALVM_HOME/bin/native-image" "${args[@]}"
diff --git a/script/uberjar b/script/uberjar
index 5bc24c98..56414ace 100755
--- a/script/uberjar
+++ b/script/uberjar
@@ -168,7 +168,7 @@ else
     BABASHKA_LEIN_PROFILES+=",-feature/priority-map"
 fi
 
-if [ "$BABASHKA_FEATURE_RRB_VECTOR" != "false" ]
+if [ "$BABASHKA_FEATURE_RRB_VECTOR" = "true" ]
 then
     BABASHKA_LEIN_PROFILES+=",+feature/rrb-vector"
 else
diff --git a/src/babashka/impl/features.clj b/src/babashka/impl/features.clj
index 271cf136..7639997c 100644
--- a/src/babashka/impl/features.clj
+++ b/src/babashka/impl/features.clj
@@ -17,7 +17,6 @@
 (def selmer?         (not= "false" (System/getenv "BABASHKA_FEATURE_SELMER")))
 (def logging?        (not= "false" (System/getenv "BABASHKA_FEATURE_LOGGING")))
 (def priority-map?   (not= "false" (System/getenv "BABASHKA_FEATURE_PRIORITY_MAP")))
-(def rrb-vector?     (not= "false" (System/getenv "BABASHKA_FEATURE_RRB_VECTOR")))
 
 ;; excluded by default
 (def jdbc? (= "true" (System/getenv "BABASHKA_FEATURE_JDBC")))
@@ -28,6 +27,7 @@
 (def datascript? (= "true" (System/getenv "BABASHKA_FEATURE_DATASCRIPT")))
 (def lanterna? (= "true" (System/getenv "BABASHKA_FEATURE_LANTERNA")))
 (def spec-alpha? (= "true" (System/getenv "BABASHKA_FEATURE_SPEC_ALPHA")))
+(def rrb-vector? (= "true" (System/getenv "BABASHKA_FEATURE_RRB_VECTOR")))
 
 (when xml?
   (require '[babashka.impl.xml]))
diff --git a/src/babashka/main.clj b/src/babashka/main.clj
index cd858415..deac45ee 100644
--- a/src/babashka/main.clj
+++ b/src/babashka/main.clj
@@ -387,7 +387,10 @@ Use bb run --help to show this help output.
        'rewrite-clj.paredit rewrite/paredit-namespace
        'rewrite-clj.parser rewrite/parser-namespace
        'rewrite-clj.zip rewrite/zip-namespace
-       'rewrite-clj.zip.subedit rewrite/subedit-namespace}
+       'rewrite-clj.zip.subedit rewrite/subedit-namespace
+       'clojure.core.rrb-vector (if features/rrb-vector?
+                                  @(resolve 'babashka.impl.rrb-vector/rrb-vector-namespace)
+                                  {'catvec (sci/copy-var into (sci/create-ns 'clojure.core.rrb-vector))})}
     features/xml?  (assoc 'clojure.data.xml @(resolve 'babashka.impl.xml/xml-namespace)
                           'clojure.data.xml.event @(resolve 'babashka.impl.xml/xml-event-namespace)
                           'clojure.data.xml.tree @(resolve 'babashka.impl.xml/xml-tree-namespace))
@@ -447,8 +450,7 @@ Use bb run --help to show this help output.
                              'clojure.tools.logging.readable
                              @(resolve 'babashka.impl.logging/tools-logging-readable-namespace))
     features/priority-map? (assoc 'clojure.data.priority-map
-                                  @(resolve 'babashka.impl.priority-map/priority-map-namespace))
-    features/rrb-vector? (assoc 'clojure.core.rrb-vector @(resolve 'babashka.impl.rrb-vector/rrb-vector-namespace))))
+                                  @(resolve 'babashka.impl.priority-map/priority-map-namespace))))
 
 (def edn-readers (cond-> {}
                    features/yaml?