diff --git a/README.md b/README.md
index 2b5e625d..08eaf877 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 ## Build
 
-Install autoconf first for jemalloc
+For linux, install autoconf first for jemalloc
 
 ```
 git clone git@github.com:cloudwu/skynet.git
@@ -15,6 +15,8 @@ export PLAT=linux
 make
 ```
 
+For freeBSD , use gmake instead of make .
+
 ## Test
 
 Run these in different console
diff --git a/platform.mk b/platform.mk
index a112f0f2..37291271 100644
--- a/platform.mk
+++ b/platform.mk
@@ -31,10 +31,10 @@ macosx : EXPORT :=
 macosx linux : SKYNET_LIBS += -ldl
 linux freebsd : SKYNET_LIBS += -lrt
 
-# Turn off jemalloc and malloc hook on macosx
+# Turn off jemalloc and malloc hook on macosx and freebsd
 
-macosx : MALLOC_STATICLIB :=
-macosx : SKYNET_DEFINES :=-DNOUSE_JEMALLOC
+freebsd macosx : MALLOC_STATICLIB :=
+freebsd macosx : SKYNET_DEFINES :=-DNOUSE_JEMALLOC
 
 linux macosx freebsd :
 	$(MAKE) all PLAT=$@ SKYNET_LIBS="$(SKYNET_LIBS)" SHARED="$(SHARED)" EXPORT="$(EXPORT)" MALLOC_STATICLIB="$(MALLOC_STATICLIB)" SKYNET_DEFINES="$(SKYNET_DEFINES)"