diff --git a/.drone.yml b/.drone.yml
index c038355..7bf6e0b 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -18,7 +18,7 @@ steps:
   - name: version-minimal
     image: debian:buster-slim
     commands:
-      - bash -xc 'cat unit/version && source unit/version && env && echo -n "${NXT_VERSION}-minimal" > .tags'
+      - bash -xc 'source unit/version && export NXT_VERSION && env && echo -n "${NXT_VERSION}-minimal" > .tags'
 
   - name: latest-minimal
     image: debian:buster-slim