diff --git a/1.5/Defs/HediffDefs/ToxHeal.xml b/1.5/Defs/HediffDefs/ToxHeal.xml
index c594cde..d6d9a74 100644
--- a/1.5/Defs/HediffDefs/ToxHeal.xml
+++ b/1.5/Defs/HediffDefs/ToxHeal.xml
@@ -1,22 +1,25 @@
-<Defs>
-    <HediffDef>
-        <defName>FCP_Hediff_ToxHeal</defName>
-        <label>sterilized</label>
-        <description>placeholder.</description>
-        <hediffClass>HediffWithComps</hediffClass>
-        <defaultLabelColor>(0.9, 1.0, 0.35)</defaultLabelColor>
-        <initialSeverity>1</initialSeverity>
-        <comps>
-            <li Class="HediffCompProperties_Disappears">
-                <disappearsAfterTicks>7500~7500</disappearsAfterTicks>
-            </li>
-        </comps>
-        <stages>
-            <li>
-                <statFactors>
-                    <InjuryHealingFactor>1.5</InjuryHealingFactor>
-                </statFactors>
-            </li>
-        </stages>
-    </HediffDef>
+<Defs>
+    <HediffDef>
+        <defName>FCP_Hediff_ToxHeal</defName>
+        <label>sterilized</label>
+        <description>placeholder.</description>
+        <hediffClass>HediffWithComps</hediffClass>
+        <defaultLabelColor>(0.9, 1.0, 0.35)</defaultLabelColor>
+        <initialSeverity>1</initialSeverity>
+        <comps>
+            <li Class="HediffCompProperties_Disappears">
+                <disappearsAfterTicks>7500~7500</disappearsAfterTicks>
+            </li>
+        </comps>
+        <stages>
+            <li>
+                <statFactors>
+                    <InjuryHealingFactor>1.5</InjuryHealingFactor>
+                </statFactors>
+            </li>
+        </stages>
+        <modExtensions>
+            <li Class="FCP_Ghoul.ToxHealHediff_ModExtension"></li>
+        </modExtensions>
+    </HediffDef>
 </Defs>
\ No newline at end of file