diff --git a/core/build.gradle.kts b/core/build.gradle.kts
index fcba2b31..655f25d3 100644
--- a/core/build.gradle.kts
+++ b/core/build.gradle.kts
@@ -28,7 +28,7 @@ kotlin {
         }
     }
 
-    js {
+    js(BOTH) {
         nodejs {
             testTask {
                 useMocha {