diff --git a/debian/build-vitastor-bullseye.sh b/debian/build-vitastor-bullseye.sh
index e18ebc0b..273f18e4 100755
--- a/debian/build-vitastor-bullseye.sh
+++ b/debian/build-vitastor-bullseye.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-sed 's/$REL/bullseye/' < vitastor.Dockerfile > ../Dockerfile
+sed 's/$REL/bullseye/g' < vitastor.Dockerfile > ../Dockerfile
 cd ..
 mkdir -p packages
 sudo podman build -v `pwd`/packages:/root/packages -f Dockerfile .
diff --git a/debian/build-vitastor-buster.sh b/debian/build-vitastor-buster.sh
index d9574f55..d44adb45 100755
--- a/debian/build-vitastor-buster.sh
+++ b/debian/build-vitastor-buster.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-sed 's/$REL/buster/' < vitastor.Dockerfile > ../Dockerfile
+sed 's/$REL/buster/g' < vitastor.Dockerfile > ../Dockerfile
 cd ..
 mkdir -p packages
 sudo podman build -v `pwd`/packages:/root/packages -f Dockerfile .