diff --git a/FreeRTOS/Demo/CORTEX_M3_MPS2_QEMU_GCC/main_waters.c b/FreeRTOS/Demo/CORTEX_M3_MPS2_QEMU_GCC/main_waters.c
index 3766fa7e..be3af259 100644
--- a/FreeRTOS/Demo/CORTEX_M3_MPS2_QEMU_GCC/main_waters.c
+++ b/FreeRTOS/Demo/CORTEX_M3_MPS2_QEMU_GCC/main_waters.c
@@ -29,7 +29,7 @@
 #include <queue.h>
 #include <stdio.h>
 
-#define LOCAL_WCET_MULT 14  // Multiplier to increase all waiting periods to make the schedule more tight an force preemptions
+#define LOCAL_WCET_MULT 12  // Multiplier to increase all waiting periods to make the schedule more tight an force preemptions
 #define NUM_TASKS 10
 #include "fuzzhelper.c"