diff --git a/compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/checkers/CapturingInClosureChecker.kt b/compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/checkers/CapturingInClosureChecker.kt
index 4d4c54f2e07..aed72e1d6b3 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/checkers/CapturingInClosureChecker.kt
+++ b/compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/checkers/CapturingInClosureChecker.kt
@@ -86,7 +86,7 @@ class CapturingInClosureChecker : CallChecker {
         if (parameter !is ValueParameterDescriptor) return false
         val contractDescription = function.getUserData(ContractProviderKey)?.getContractDescription() ?: return false
         val effect = contractDescription.effects.filterIsInstance<CallsEffectDeclaration>()
-            .find { it.variableReference.descriptor == parameter } ?: return false
+            .find { it.variableReference.descriptor == parameter.original } ?: return false
         return effect.kind == InvocationKind.EXACTLY_ONCE
     }