1 files changed, 1 insertions, 1 deletions
diff --git a/list.h b/list.h
index 686fd9b..7403bc0 100644
--- a/list.h
+++ b/list.h
@@ -25,7 +25,7 @@
 
 #include <X11/Xfuncproto.h> /* for _X_ATTRIBUTE_PRINTF */
 
-char *dsprintf(char *f, ...) _X_ATTRIBUTE_PRINTF(1,2);
+char *dsprintf(const char *f, ...) _X_ATTRIBUTE_PRINTF(1,2);
 
 typedef struct _List {
     char *value;