diff --git a/GNUmakefile b/GNUmakefile
index 9fe82502..5dc6ba0b 100755
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -362,6 +362,7 @@ ifeq ($(IS_NEON),1)
   HAVE_NEON = $(shell echo | $(CXX) -x c++ $(CXXFLAGS) -march=armv7-a -mfloat-abi=$(FP_ABI) -mfpu=neon -dM -E - 2>/dev/null | $(GREP) -i -c -E '\<__ARM_NEON\>')
   ifeq ($(HAVE_NEON),1)
     NEON_FLAG = -march=armv7-a -mfloat-abi=$(FP_ABI) -mfpu=neon
+    AES_FLAG = -march=armv7-a -mfloat-abi=$(FP_ABI) -mfpu=neon
     GCM_FLAG = -march=armv7-a -mfloat-abi=$(FP_ABI) -mfpu=neon
     ARIA_FLAG = -march=armv7-a -mfloat-abi=$(FP_ABI) -mfpu=neon
     BLAKE2_FLAG = -march=armv7-a -mfloat-abi=$(FP_ABI) -mfpu=neon