diff --git a/src/files.c b/src/files.c
index 2ae941c..9147c57 100644
--- a/src/files.c
+++ b/src/files.c
@@ -445,7 +445,7 @@ char *get_file_id_diz(char *filename) {
 	}
 
 	char *b = description;
-	for (char *p = description; p != '\0'; ++p)
+	for (char *p = description; *p != '\0'; ++p)
 		if (*p != '\r')
 			*b++ = *p;
 	*b = '\0';