diff --git a/Makefile b/Makefile
index be0f8ca2e..15e336b88 100644
--- a/Makefile
+++ b/Makefile
@@ -325,7 +325,7 @@ CXXFLAGS := $(WASIFLAGS) -std=$(CXXSTD) -Os -D_WASI_EMULATED_PROCESS_CLOCKS $(fi
 LDFLAGS := $(WASIFLAGS) -Wl,-z,stack-size=1048576 $(filter-out -rdynamic,$(LDFLAGS))
 LDLIBS := -lwasi-emulated-process-clocks $(filter-out -lrt,$(LDLIBS))
 ABCMKARGS += AR="$(AR)" RANLIB="$(RANLIB)"
-ABCMKARGS += ARCHFLAGS="$(WASIFLAGS) -DABC_USE_STDINT_H -DABC_NO_DYNAMIC_LINKING -DABC_NO_RLIMIT -Wno-c++11-narrowing"
+ABCMKARGS += ARCHFLAGS="$(WASIFLAGS) -D_WASI_EMULATED_PROCESS_CLOCKS -DABC_USE_STDINT_H -DABC_NO_DYNAMIC_LINKING -DABC_NO_RLIMIT -Wno-c++11-narrowing"
 ABCMKARGS += OPTFLAGS="-Os"
 EXE = .wasm