diff --git a/engine/src/flutter/skia/BUILD.gn b/engine/src/flutter/skia/BUILD.gn
index 4cc93780618..d77cb223be2 100644
--- a/engine/src/flutter/skia/BUILD.gn
+++ b/engine/src/flutter/skia/BUILD.gn
@@ -538,7 +538,7 @@ source_set("skia_opts") {
                 "ext/convolver_SSE2.h",
               ]
 
-    if (is_linux || is_mac) {
+    if (is_linux || is_mac || is_ios) {
       cflags += [ "-msse4.1" ]
     }
   } else if (current_cpu == "arm") {