diff --git a/src/lib/subs/pr.c b/src/lib/subs/pr.c
index 85c4a707..9c0287eb 100644
--- a/src/lib/subs/pr.c
+++ b/src/lib/subs/pr.c
@@ -432,7 +432,7 @@ prdate(void)
     time_t now;
 
     (void)time(&now);
-    pr(ctime(&now));
+    pr("%s", ctime(&now));
 }
 
 /*