diff --git a/platform/projectModel-impl/src/com/intellij/openapi/roots/impl/RootIndex.java b/platform/projectModel-impl/src/com/intellij/openapi/roots/impl/RootIndex.java
index e545bd92fa7f..e25f2f691f59 100644
--- a/platform/projectModel-impl/src/com/intellij/openapi/roots/impl/RootIndex.java
+++ b/platform/projectModel-impl/src/com/intellij/openapi/roots/impl/RootIndex.java
@@ -316,7 +316,7 @@ class RootIndex {
         LOG.error("Invalid root " + file + " in " + container + " provided by " + containerProvider.getClass());
       }
       else {
-        LOG.warn("Invalid root " + file + " in " + container);
+        LOG.error("Invalid root " + file + " in " + container);
       }
       return false;
     }