diff --git a/Defs/RulePackDefs/RulePacks_VSIE.xml b/Defs/RulePackDefs/RulePacks_VSIE.xml
index 486e7d3..3ec83d2 100644
--- a/Defs/RulePackDefs/RulePacks_VSIE.xml
+++ b/Defs/RulePackDefs/RulePacks_VSIE.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <Defs>
 	<!-- Teaching from Vanilla Social Interactions Expanded selects a random skill and doesn't checks if a rule pack for selected skill exists -->
-	<RulePackDef>
+	<RulePackDef MayRequire="VanillaExpanded.VanillaSocialInteractionsExpanded">
 		<defName>VSIE_Teaching_Sex</defName>
 		<rulePack>
 			<rulesFiles>