diff --git a/build.sh b/build.sh
index 127ea40..8ce49c9 100755
--- a/build.sh
+++ b/build.sh
@@ -8,6 +8,7 @@ tendermint=${ROOTDIR}/tendermint/tendermint
 
 pack=pack
 packfile=lk-chain
+tarfile=lk-chain-linux-x64.tar.gz
 packdst=pack/$packfile
 
 if [ ! -e $BIN ]; then
@@ -90,7 +91,7 @@ function do_pack()
     cp tools/genesis.json $packdst/data
     cp ethermint_init_satate/state.db_20190510.tar.gz $packdst/data/state.db.tar.gz
 
-    cd pack ; tar zcf $packfile.tar.gz $packfile ; echo "done $packdst.tar.gz";
+    cd pack ; tar zcf $tarfile $packfile ; echo "done $tarfile";
 }
 
 function main()
diff --git a/tendermint/ethermint/Makefile b/tendermint/ethermint/Makefile
index 3f42b48..36ee8a3 100644
--- a/tendermint/ethermint/Makefile
+++ b/tendermint/ethermint/Makefile
@@ -10,7 +10,7 @@ all: install test
 
 #install: get_vendor_deps
 install:
-	@go install \
+	@GOOS=linux GOARCH=amd64  go install \
 		--ldflags "-X github.com/tendermint/ethermint/version.GitCommit=`git rev-parse HEAD`" \
 		./cmd/ethermint	
 
diff --git a/tendermint/tendermint/Makefile b/tendermint/tendermint/Makefile
index 2aed1ac..b807956 100644
--- a/tendermint/tendermint/Makefile
+++ b/tendermint/tendermint/Makefile
@@ -28,7 +28,7 @@ dist:
 	@BUILD_TAGS='$(BUILD_TAGS)' sh -c "'$(CURDIR)/scripts/dist.sh'"
 
 install:
-	go install $(BUILD_FLAGS) ./cmd/tendermint
+	GOOS=linux GOARCH=amd64 go install $(BUILD_FLAGS) ./cmd/tendermint
 
 
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