diff --git a/compiler/tests-spec/testData/diagnostics/linked/expressions/when-expression/p-2/pos/1.1.fir.kt b/compiler/tests-spec/testData/diagnostics/linked/expressions/when-expression/p-2/pos/1.1.fir.kt
index e9e07e0684e..5cbc6414c4c 100644
--- a/compiler/tests-spec/testData/diagnostics/linked/expressions/when-expression/p-2/pos/1.1.fir.kt
+++ b/compiler/tests-spec/testData/diagnostics/linked/expressions/when-expression/p-2/pos/1.1.fir.kt
@@ -1,3 +1,4 @@
+// FIR_IGNORE
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -DEBUG_INFO_SMARTCAST
 // SKIP_TXT