diff --git a/java/idea-ui/src/com/intellij/ide/util/projectWizard/importSources/ProjectFromSourcesBuilder.java b/java/idea-ui/src/com/intellij/ide/util/projectWizard/importSources/ProjectFromSourcesBuilder.java
index 568311359726..fc28f8f6bf6d 100644
--- a/java/idea-ui/src/com/intellij/ide/util/projectWizard/importSources/ProjectFromSourcesBuilder.java
+++ b/java/idea-ui/src/com/intellij/ide/util/projectWizard/importSources/ProjectFromSourcesBuilder.java
@@ -42,4 +42,6 @@ public interface ProjectFromSourcesBuilder {
 
   @NotNull
   WizardContext getContext();
+
+  boolean hasRootsFromOtherDetectors(ProjectStructureDetector thisDetector);
 }
diff --git a/java/idea-ui/src/com/intellij/ide/util/projectWizard/importSources/impl/ProjectFromSourcesBuilderImpl.java b/java/idea-ui/src/com/intellij/ide/util/projectWizard/importSources/impl/ProjectFromSourcesBuilderImpl.java
index 1ed00b0c054a..2980c4e25b09 100644
--- a/java/idea-ui/src/com/intellij/ide/util/projectWizard/importSources/impl/ProjectFromSourcesBuilderImpl.java
+++ b/java/idea-ui/src/com/intellij/ide/util/projectWizard/importSources/impl/ProjectFromSourcesBuilderImpl.java
@@ -32,6 +32,7 @@ import com.intellij.ide.util.projectWizard.importSources.ProjectStructureDetecto
 import com.intellij.openapi.application.AccessToken;
 import com.intellij.openapi.application.WriteAction;
 import com.intellij.openapi.diagnostic.Logger;
+import com.intellij.openapi.extensions.Extensions;
 import com.intellij.openapi.module.*;
 import com.intellij.openapi.options.ConfigurationException;
 import com.intellij.openapi.project.Project;
@@ -262,6 +263,15 @@ public class ProjectFromSourcesBuilderImpl extends ProjectBuilder implements Pro
     myUpdaters.add(updater);
   }
 
+  public boolean hasRootsFromOtherDetectors(ProjectStructureDetector thisDetector) {
+    for (ProjectStructureDetector projectStructureDetector : Extensions.getExtensions(ProjectStructureDetector.EP_NAME)) {
+      if (projectStructureDetector != thisDetector && !getProjectRoots(projectStructureDetector).isEmpty()) {
+        return true;
+      }
+    }
+    return false;
+  }
+
   @NotNull
   private static Module createModule(ProjectDescriptor projectDescriptor, final ModuleDescriptor descriptor,
                                      final Map<LibraryDescriptor, Library> projectLibs, final ModifiableModuleModel moduleModel)