diff --git a/build/docker/bin/Makefile b/build/docker/bin/Makefile
index 1ca70395..dbe44e16 100644
--- a/build/docker/bin/Makefile
+++ b/build/docker/bin/Makefile
@@ -7,8 +7,6 @@ LDFLAGS := -X blockbook/common.version=$(VERSION) -X blockbook/common.gitcommit=
 BLOCKBOOK_SRC := $(GOPATH)/src/blockbook
 ARGS ?=
 
-export BLOCKBOOK_SRC
-
 all: build tools
 
 build: prepare-sources generate-data
@@ -36,7 +34,8 @@ test-all: prepare-sources generate-data
 
 prepare-sources:
 	@ [ -n "`ls /src 2> /dev/null`" ] || (echo "/src doesn't exist or is empty" 1>&2 && exit 1)
-	[ -d $(BLOCKBOOK_SRC) ] || cp -r /src $(BLOCKBOOK_SRC)
+	[ -d $(BLOCKBOOK_SRC) ] && rm -rf $(BLOCKBOOK_SRC)
+	cp -r /src $(BLOCKBOOK_SRC)
 	$(MAKE) prepare-vendor
 
 prepare-vendor:
diff --git a/build/docker/deb/build-deb.sh b/build/docker/deb/build-deb.sh
index 9590c98b..aae54f31 100755
--- a/build/docker/deb/build-deb.sh
+++ b/build/docker/deb/build-deb.sh
@@ -14,7 +14,7 @@ shift 2
 mkdir -p build
 cp -r /src/build/templates build
 cp -r /src/configs .
-ln -s /src/ /go/src/blockbook
+mkdir -p /go/src/blockbook/build && cp -r /src/build/tools /go/src/blockbook/build/tools
 go run build/templates/generate.go $coin
 
 # backend