diff --git a/internal/pkg/image_repositories/template/Dockerfile b/internal/pkg/image_repositories/template/Dockerfile
index 567af2b..bd8a5e5 100644
--- a/internal/pkg/image_repositories/template/Dockerfile
+++ b/internal/pkg/image_repositories/template/Dockerfile
@@ -6,7 +6,7 @@
 COPY --from=bindep --link /runtime-pip-packages /runtime-pip-packages
 
 ARG RUNTIME_IMAGE={{ .RuntimeImage }}
-FROM ${FROM}:{{ .RuntimeImageTag }} AS runtime
+FROM ${RUNTIME_IMAGE}:{{ .RuntimeImageTag }} AS runtime
 COPY --from=bindep --link /runtime-dist-packages /runtime-dist-packages
 COPY --from=builder --link /var/lib/openstack /var/lib/openstack