diff --git a/src/xcms/cmsLkCol.c b/src/xcms/cmsLkCol.c
index 15e98742..a81c4cbf 100644
--- a/src/xcms/cmsLkCol.c
+++ b/src/xcms/cmsLkCol.c
@@ -76,7 +76,8 @@ XcmsLookupColor (
     register int n;
     xLookupColorReply reply;
     register xLookupColorReq *req;
-    XColor def, scr;
+    XColor def = {0,};
+    XColor scr = {0,};
 
 /*
  * 0. Check for invalid arguments.