diff --git a/addons/medical/ACE_Medical_Treatments.hpp b/addons/medical/ACE_Medical_Treatments.hpp
index 9848410c8c..0bec6420af 100644
--- a/addons/medical/ACE_Medical_Treatments.hpp
+++ b/addons/medical/ACE_Medical_Treatments.hpp
@@ -804,7 +804,7 @@ class ACE_Medical_Advanced {
 
             // specific details for the ACE_Morphine treatment action
             class Morphine {
-                painReduce = 1;
+                painReduce = 12;
                 hrIncreaseLow[] = {-10, -30, 35};
                 hrIncreaseNormal[] = {-10, -50, 40};
                 hrIncreaseHigh[] = {-10, -40, 50};