diff --git a/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/FirHelpers.kt b/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/FirHelpers.kt
index 1565babf4ab..e250caa80a3 100644
--- a/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/FirHelpers.kt
+++ b/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/FirHelpers.kt
@@ -645,6 +645,7 @@ fun extractArgumentsTypeRefAndSource(typeRef: FirTypeRef?): List<FirTypeRefSourc
         is FirFunctionTypeRef -> {
             val valueParameters = delegatedTypeRef.valueParameters
 
+            delegatedTypeRef.receiverTypeRef?.let { result.add(FirTypeRefSource(it, it.source)) }
             for (valueParameter in valueParameters) {
                 val valueParamTypeRef = valueParameter.returnTypeRef
                 result.add(FirTypeRefSource(valueParamTypeRef, valueParamTypeRef.source))