1 files changed, 2 insertions, 2 deletions
diff --git a/oclock.c b/oclock.c
index e36d80c..37df634 100644
--- a/oclock.c
+++ b/oclock.c
@@ -123,13 +123,13 @@ main(int argc, char *argv[])
     XtSetArg (arg[i], XtNiconPixmap,
 	      XCreateBitmapFromData (XtDisplay(toplevel),
 				     XtScreen(toplevel)->root,
-				     (char *)oclock_bits,
+				     (const char *)oclock_bits,
 				     oclock_width, oclock_height));
     i++;
     XtSetArg (arg[i], XtNiconMask,
 	      XCreateBitmapFromData (XtDisplay(toplevel),
 				     XtScreen(toplevel)->root,
-				     (char *)oclmask_bits,
+				     (const char *)oclmask_bits,
 				     oclmask_width, oclmask_height));
     i++;
     XtSetValues (toplevel, arg, i);