diff --git a/Makefile b/Makefile
index c7d17455..fd6d8066 100644
--- a/Makefile
+++ b/Makefile
@@ -38,6 +38,9 @@ ifeq ($(HAVE_LTCG),1)
 	SHARED   += -flto
 endif
 
+ifneq ($(AS),)
+	CC_AS := ${AS}
+endif
 CC_AS    ?= ${CC_PREFIX}as
 
 MFLAGS   := 
@@ -1019,7 +1022,7 @@ else
 	CXXFLAGS += -DTARGET_NO_OPENMP
 endif
 ifeq ($(platform), win)
-	LDFLAGS_END += -Wl,-Bstatic -lgmp -Wl,-Bstatic -lgomp -lwsock32
+	LDFLAGS_END += -Wl,-Bstatic -lgomp -lwsock32
 endif
 	NEED_CXX11=1
 	NEED_PTHREAD=1