diff --git a/radarr/Dockerfile b/radarr/Dockerfile
index ec23d1051..53b735c9c 100644
--- a/radarr/Dockerfile
+++ b/radarr/Dockerfile
@@ -1,7 +1,7 @@
 ARG BUILD_FROM
 ARG BUILD_VERSION
 
-FROM ${BUILD_FROM}-${BUILD_VERSION}
+FROM ${BUILD_FROM}${BUILD_VERSION}
 
 RUN curl -J -L -o /tmp/bashio.tar.gz \
     "https://github.com/hassio-addons/bashio/archive/v0.7.1.tar.gz" \