diff --git a/src/end.c b/src/end.c
index c42600401..d8637c585 100644
--- a/src/end.c
+++ b/src/end.c
@@ -556,6 +556,7 @@ done1(int sig_unused UNUSED)
 #ifndef NO_SIGNAL
     (void) signal(SIGINT, SIG_IGN);
 #endif
+    iflags.debug_fuzzer = FALSE;
     if (flags.ignintr) {
 #ifndef NO_SIGNAL
         (void) signal(SIGINT, (SIG_RET_TYPE) done1);