diff --git a/test/embedded/avr/testStdlibFunctioning.swift b/test/embedded/avr/testStdlibFunctioning.swift
index 3588343709430..3c614444acdb7 100644
--- a/test/embedded/avr/testStdlibFunctioning.swift
+++ b/test/embedded/avr/testStdlibFunctioning.swift
@@ -3,6 +3,7 @@
 // REQUIRES: embedded_stdlib_cross_compiling
 // REQUIRES: CODEGENERATOR=AVR
 // REQUIRES: swift_feature_Embedded
+// UNSUPPORTED: CPU=wasm32
 
 import Swift