diff --git a/reactos/base/shell/explorer/explorer.cpp b/reactos/base/shell/explorer/explorer.cpp
index d031cf76929..207d3e58de5 100644
--- a/reactos/base/shell/explorer/explorer.cpp
+++ b/reactos/base/shell/explorer/explorer.cpp
@@ -51,6 +51,7 @@ DynamicLoadLibFct<void(__stdcall*)(BOOL)> g_SHDOCVW_ShellDDEInit(TEXT("SHDOCVW")
 
 
 ExplorerGlobals g_Globals;
+boolean SelectOpt=FALSE;
 
 
 ExplorerGlobals::ExplorerGlobals()