diff --git a/FreeRTOS/Demo/CORTEX_M3_MPS2_QEMU_GCC/fuzzhelper.c b/FreeRTOS/Demo/CORTEX_M3_MPS2_QEMU_GCC/fuzzhelper.c
index 3fda3956..61096e10 100644
--- a/FreeRTOS/Demo/CORTEX_M3_MPS2_QEMU_GCC/fuzzhelper.c
+++ b/FreeRTOS/Demo/CORTEX_M3_MPS2_QEMU_GCC/fuzzhelper.c
@@ -15,7 +15,7 @@
     #define MAX_INPUT_BYTES 4096
 #endif
 #ifndef NUM_OUTPUT_BITS
-    #define NUM_OUTPUT_BITS 3
+    #define NUM_OUTPUT_BITS 2
 #endif
 #define OUTPUT_BITS(X) (X & ((1 << NUM_OUTPUT_BITS) - 1))