diff --git a/qbittorrent/Dockerfile b/qbittorrent/Dockerfile
index 34bdf9d76..2a37ecd97 100644
--- a/qbittorrent/Dockerfile
+++ b/qbittorrent/Dockerfile
@@ -1,6 +1,6 @@
 ARG BUILD_FROM
 ARG BUILD_VERSION
-FROM ${BUILD_FROM}${BUILD_VERSION%%*( )}
+FROM ${BUILD_FROM}${BUILD_VERSION%%*(_)}
 
 # Copy root filesystem
 COPY rootfs /