diff --git a/code/modules/organs/organ_internal.dm b/code/modules/organs/organ_internal.dm
index 263253a0560..86640770096 100644
--- a/code/modules/organs/organ_internal.dm
+++ b/code/modules/organs/organ_internal.dm
@@ -48,7 +48,7 @@
 		//** Handle the effects of infections
 		var/antibiotics = owner.reagents.get_reagent_amount("spaceacillin")
 
-		if (germ_level < INFECTION_LEVEL_ONE/2 && prob(60))
+		if (germ_level < INFECTION_LEVEL_ONE/2 && prob(30))
 			germ_level--
 
 		if (germ_level >= INFECTION_LEVEL_ONE/2)