diff --git a/flight/Modules/GPS/GPS.c b/flight/Modules/GPS/GPS.c
index 5851ac10d..0428cb629 100644
--- a/flight/Modules/GPS/GPS.c
+++ b/flight/Modules/GPS/GPS.c
@@ -66,7 +66,7 @@ static float GravityAccel(float latitude, float longitude, float altitude);
 
 #ifdef PIOS_GPS_SETS_HOMELOCATION
 // Unfortunately need a good size stack for the WMM calculation
-	#define STACK_SIZE_BYTES            750
+	#define STACK_SIZE_BYTES            784
 #else
 #if defined(PIOS_GPS_MINIMAL)
 	#define STACK_SIZE_BYTES            500