diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2ada945d70..b7220a6dab 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -320,6 +320,7 @@ function(common_compile_options TARGET)
       -fno-rtti
 
       -Wno-deprecated-builtins
+      -Wno-unknown-warning-option
     )
 
     if (${DAWN_ENABLE_MSAN})