diff --git a/compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/fir/DestructuringDeclaration.kt b/compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/fir/DestructuringDeclaration.kt
index 9697e61476d..aad736f28e2 100644
--- a/compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/fir/DestructuringDeclaration.kt
+++ b/compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/fir/DestructuringDeclaration.kt
@@ -17,7 +17,7 @@ data class DestructuringDeclaration(
     val initializer: FirExpression
 ) {
     fun toFirDestructingDeclaration(session: FirSession): FirExpression {
-        val baseVariable = generateTemporaryVariable(session, null, "destruct", initializer)
+        val baseVariable = generateTemporaryVariable(session, initializer.source, "destruct", initializer)
         return generateDestructuringBlock(session, this, baseVariable, tmpVariable = true)
     }
 }
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