diff --git a/programs/Makefile b/programs/Makefile
index ee4c8e26b..77c62dc54 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -48,7 +48,8 @@ CPPFLAGS= -I$(ZSTDDIR) -I$(ZSTDDIR)/common -I$(ZSTDDIR)/dictBuilder -DXXH_NAMESP
 CFLAGS ?= -O3
 CFLAGS += -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow -Wstrict-aliasing=1 \
           -Wswitch-enum -Wdeclaration-after-statement -Wstrict-prototypes -Wundef
-FLAGS   = $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $(MOREFLAGS)
+CFLAGS += $(MOREFLAGS)
+FLAGS   = $(CPPFLAGS) $(CFLAGS) $(LDFLAGS)
 
 
 ZSTDCOMMON_FILES := $(ZSTDDIR)/common/*.c