diff --git a/compiler/testData/codegen/box/strings/trimOptimization.kt b/compiler/testData/codegen/box/strings/trimOptimization.kt
index 6db1be7f839..d7347c920fc 100644
--- a/compiler/testData/codegen/box/strings/trimOptimization.kt
+++ b/compiler/testData/codegen/box/strings/trimOptimization.kt
@@ -1,5 +1,6 @@
 // WITH_RUNTIME
 // IGNORE_BACKEND: JS
+// IGNORE_BACKEND: WASM
 
 import kotlin.test.assertEquals