diff --git a/src/checkclass.cpp b/src/checkclass.cpp
index 448bda9e5..9c7004ffd 100644
--- a/src/checkclass.cpp
+++ b/src/checkclass.cpp
@@ -33,6 +33,12 @@
 
 //---------------------------------------------------------------------------
 
+// Register CheckClass..
+namespace
+{
+CheckClass instance;
+}
+
 
 //---------------------------------------------------------------------------