diff --git a/src/plugins/clearcase/clearcasesettings.cpp b/src/plugins/clearcase/clearcasesettings.cpp
index 0815b39e850..abfdcf84c96 100644
--- a/src/plugins/clearcase/clearcasesettings.cpp
+++ b/src/plugins/clearcase/clearcasesettings.cpp
@@ -70,7 +70,8 @@ ClearCaseSettings::ClearCaseSettings() :
     autoAssignActivityName(true),
     autoCheckOut(true),
     promptToCheckIn(false),
-    disableIndexer(false)
+    disableIndexer(false),
+    extDiffAvailable(false)
 {
 }