diff --git a/platform/lang-impl/src/com/intellij/execution/impl/RunManagerImpl.java b/platform/lang-impl/src/com/intellij/execution/impl/RunManagerImpl.java
index c3d520cade0f..25f10b7ea89f 100644
--- a/platform/lang-impl/src/com/intellij/execution/impl/RunManagerImpl.java
+++ b/platform/lang-impl/src/com/intellij/execution/impl/RunManagerImpl.java
@@ -536,6 +536,9 @@ public class RunManagerImpl extends RunManagerEx implements PersistentStateCompo
     try {
       configuration.checkSettings(executor);
     }
+    catch (IndexNotReadyException ignored) {
+      return Registry.is("dumb.aware.run.configurations");
+    }
     catch (RuntimeConfigurationError ignored) {
       return false;
     }