diff --git a/Makefile b/Makefile
index debc9eccd..84937d2e7 100644
--- a/Makefile
+++ b/Makefile
@@ -314,7 +314,7 @@ CXXFLAGS := $(WASIFLAGS) -std=$(CXXSTD) -Os $(filter-out -fPIC,$(CXXFLAGS))
 LDFLAGS := $(WASIFLAGS) -Wl,-z,stack-size=1048576 $(filter-out -rdynamic,$(LDFLAGS))
 LDLIBS := $(filter-out -lrt,$(LDLIBS))
 ABCMKARGS += AR="$(AR)" RANLIB="$(RANLIB)"
-ABCMKARGS += ARCHFLAGS="$(WASIFLAGS) -DABC_USE_STDINT_H -DABC_NO_DYNAMIC_LINKING"
+ABCMKARGS += ARCHFLAGS="$(WASIFLAGS) -DABC_USE_STDINT_H -DABC_NO_DYNAMIC_LINKING -Wno-c++11-narrowing"
 ABCMKARGS += OPTFLAGS="-Os"
 EXE = .wasm