diff --git a/platform/projectModel-api/src/com/intellij/openapi/components/StoredProperty.kt b/platform/projectModel-api/src/com/intellij/openapi/components/StoredProperty.kt
index c6fb2f2dd884..24d3dc3c5659 100644
--- a/platform/projectModel-api/src/com/intellij/openapi/components/StoredProperty.kt
+++ b/platform/projectModel-api/src/com/intellij/openapi/components/StoredProperty.kt
@@ -192,7 +192,7 @@ private class StringStoredProperty(override val defaultValue: String?) : ReadWri
     }
   }
 
-  override fun equals(other: Any?) = this === other || (other is ObjectStoredProperty<*> && value == other.value)
+  override fun equals(other: Any?) = this === other || (other is StringStoredProperty<*> && value == other.value)
 
   override fun hashCode() = value?.hashCode() ?: 0