diff --git a/src/xlspwin.c b/src/xlspwin.c
index f14773c..4be6f63 100644
--- a/src/xlspwin.c
+++ b/src/xlspwin.c
@@ -277,7 +277,7 @@ void Create_LispWindow(DspInterface dsp)
 void lisp_Xvideocolor(int flag)
 {
   Screen *screen;
-  XEvent event;
+  XEvent event = {0};
   XGCValues gcv = {0};
   unsigned long newForeground;
 
diff --git a/src/xmkicon.c b/src/xmkicon.c
index 591ce99..ef313e8 100644
--- a/src/xmkicon.c
+++ b/src/xmkicon.c
@@ -99,7 +99,7 @@ Pixmap make_Xicon(DspInterface dsp)
 {
   unsigned int width, height;
   int value, x_hot, y_hot;
-  XImage IconImage;
+  XImage IconImage = {0};
 
 
 #ifdef TRACE