diff --git a/fuzzers/wcet_qemu_sys/fuzzer.sh b/fuzzers/wcet_qemu_sys/fuzzer.sh
index 319fc1c1e9..ee53330472 100755
--- a/fuzzers/wcet_qemu_sys/fuzzer.sh
+++ b/fuzzers/wcet_qemu_sys/fuzzer.sh
@@ -1,4 +1,4 @@
 mkdir -p tmp/test_in tmp/test_out
 [ ! -f tmp/test_in/test ] && echo " !test" > tmp/test_in/test
 [ ! -f tmp/dummy.qcow2 ] && qemu-img create -f qcow2 tmp/dummy.qcow2 32M
-LD_LIBRARY_PATH=target/debug target/debug/fuzzer --libafl-snapshot tmp/dummy.qcow2 --libafl-out tmp/test_out --libafl-in tmp/test_in --libafl-kernel $@
+LD_LIBRARY_PATH=target/debug target/debug/fuzzer --libafl-logfile tmp/libafl.log --libafl-snapshot tmp/dummy.qcow2 --libafl-out tmp/test_out --libafl-in tmp/test_in --libafl-kernel $@