diff --git a/fuzzers/007-timing/Makefile b/fuzzers/007-timing/Makefile
index 9344917d..1b4f37bf 100644
--- a/fuzzers/007-timing/Makefile
+++ b/fuzzers/007-timing/Makefile
@@ -5,6 +5,7 @@ PRJN?=1
 
 run: all
 all: build/timgrid-v.json bel/build/sdf
+	touch run.ok
 
 clean:
 	rm -rf build