diff --git a/src/cdargs.cc b/src/cdargs.cc
index e505e4e..1fdfeb8 100644
--- a/src/cdargs.cc
+++ b/src/cdargs.cc
@@ -1301,7 +1301,7 @@ void helpscreen(void) {
 
 void fatal_exit(char* msg) {
     endwin();
-    fprintf(stderr, msg);
+    fprintf(stderr, "%s", msg);
     exit(1);
 }