diff --git a/Makefile b/Makefile
index 9b6a46e..df5a817 100644
--- a/Makefile
+++ b/Makefile
@@ -207,18 +207,18 @@ else ifeq (amd64,$(shell uname -m))
else ifeq (aarch64,$(shell uname -m))
BITS := 64
SSE_FLAG :=
- CXXFLAGS := -fopenmp-simd
- CPPFLAGS := -Ithird_party/simde
+ CXXFLAGS += -fopenmp-simd
+ CPPFLAGS += -Ithird_party/simde
else ifeq (s390x,$(shell uname -m))
BITS := 64
SSE_FLAG :=
- CXXFLAGS := -fopenmp-simd
- CPPFLAGS := -Ithird_party/simde
+ CXXFLAGS += -fopenmp-simd
+ CPPFLAGS += -Ithird_party/simde
SANITIZER_FLAGS :=
else ifeq (ppc64le,$(shell uname -m))
BITS := 64
SSE_FLAG :=
- CXXFLAGS := -fopenmp-simd
+ CXXFLAGS += -fopenmp-simd
CPPFLAGS += -Ithird_party/simde
SANITIZER_FLAGS :=
endif
--
2.25.4