diff --git a/dlls/comcat/comcat_private.h b/dlls/comcat/comcat_private.h
index 88587b51faa..4002dfd0c96 100644
--- a/dlls/comcat/comcat_private.h
+++ b/dlls/comcat/comcat_private.h
@@ -63,7 +63,7 @@ typedef struct
     LONG ref;
 } ComCatMgrImpl;
 
-extern const ComCatMgrImpl COMCAT_ComCatMgr;
+extern ComCatMgrImpl COMCAT_ComCatMgr;
 extern const ICatRegisterVtbl COMCAT_ICatRegister_Vtbl;
 extern const ICatInformationVtbl COMCAT_ICatInformation_Vtbl;
 
diff --git a/dlls/comcat/manager.c b/dlls/comcat/manager.c
index 9911b78ed75..0b80cbe75dc 100644
--- a/dlls/comcat/manager.c
+++ b/dlls/comcat/manager.c
@@ -111,7 +111,7 @@ static const IUnknownVtbl COMCAT_IUnknown_Vtbl =
 /**********************************************************************
  * static ComCatMgr instance
  */
-const ComCatMgrImpl COMCAT_ComCatMgr =
+ComCatMgrImpl COMCAT_ComCatMgr =
 {
     &COMCAT_IUnknown_Vtbl,
     &COMCAT_ICatRegister_Vtbl,