diff --git a/code/__DEFINES/mobs.dm b/code/__DEFINES/mobs.dm
index 4b0d1e39..05fe0e6a 100644
--- a/code/__DEFINES/mobs.dm
+++ b/code/__DEFINES/mobs.dm
@@ -170,7 +170,7 @@
 //Math stuff for fatness movement speed
 #define FATNESS_DIVISOR 860 
 #define FATNESS_MAX_MOVE_PENALTY 4
-#define FATNESS_WEAKLEGS_MODIFIER 10
+#define FATNESS_WEAKLEGS_MODIFIER 20
 
 //Nutrition levels for humans
 #define NUTRITION_LEVEL_FULL 550