diff --git a/src/client/misc.h b/src/client/misc.h
index 0be7d931..1940026d 100644
--- a/src/client/misc.h
+++ b/src/client/misc.h
@@ -58,7 +58,7 @@ extern char *SO;
 extern char *SE;
 
 #ifdef _WIN32
-HANDLE hStdIn;
+extern HANDLE hStdIn;
 #endif
 
 #ifdef _WIN32