diff --git a/addons/compat_sog/ACE_Medical_Injuries.hpp b/addons/compat_sog/ACE_Medical_Injuries.hpp
index 9f01a97f613..6566d11ead7 100644
--- a/addons/compat_sog/ACE_Medical_Injuries.hpp
+++ b/addons/compat_sog/ACE_Medical_Injuries.hpp
@@ -1,7 +1,6 @@
 class ACE_Medical_Injuries {
     class damageTypes {
-        class woundHandlers;
-
+        class woundHandlers {};
         class explosive {
             class woundHandlers: woundHandlers {};
         };
diff --git a/addons/compat_spe/ACE_Medical_Injuries.hpp b/addons/compat_spe/ACE_Medical_Injuries.hpp
index 9f01a97f613..6566d11ead7 100644
--- a/addons/compat_spe/ACE_Medical_Injuries.hpp
+++ b/addons/compat_spe/ACE_Medical_Injuries.hpp
@@ -1,7 +1,6 @@
 class ACE_Medical_Injuries {
     class damageTypes {
-        class woundHandlers;
-
+        class woundHandlers {};
         class explosive {
             class woundHandlers: woundHandlers {};
         };
diff --git a/addons/explosives/ACE_Medical_Injuries.hpp b/addons/explosives/ACE_Medical_Injuries.hpp
index ef316361531..10289b7282f 100644
--- a/addons/explosives/ACE_Medical_Injuries.hpp
+++ b/addons/explosives/ACE_Medical_Injuries.hpp
@@ -1,6 +1,6 @@
 class ACE_Medical_Injuries {
     class damageTypes {
-        class woundHandlers;
+        class woundHandlers {};
         class explosive {
             class woundHandlers: woundHandlers {};
         };