diff --git a/Makefile b/Makefile
index 04b3a157e..be0f8ca2e 100644
--- a/Makefile
+++ b/Makefile
@@ -321,9 +321,9 @@ AR = $(WASI_SDK)/bin/ar
 RANLIB = $(WASI_SDK)/bin/ranlib
 WASIFLAGS := --sysroot $(WASI_SDK)/share/wasi-sysroot $(WASIFLAGS)
 endif
-CXXFLAGS := $(WASIFLAGS) -std=$(CXXSTD) -Os $(filter-out -fPIC,$(CXXFLAGS))
+CXXFLAGS := $(WASIFLAGS) -std=$(CXXSTD) -Os -D_WASI_EMULATED_PROCESS_CLOCKS $(filter-out -fPIC,$(CXXFLAGS))
 LDFLAGS := $(WASIFLAGS) -Wl,-z,stack-size=1048576 $(filter-out -rdynamic,$(LDFLAGS))
-LDLIBS := $(filter-out -lrt,$(LDLIBS))
+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 += OPTFLAGS="-Os"