--- a/installwatch.c.orig	2020-08-31 16:54:02.719111959 +0200
+++ b/installwatch.c	2020-08-31 17:23:50.271277254 +0200
@@ -2545,7 +2566,7 @@
 }
 
 FILE *fopen(const char *pathname, const char *mode) {
-	FILE *result;
+	FILE *result = NULL;
 	instw_t instw;
 	int status=0;
 
