diff --git a/mediawiki/Dockerfile b/mediawiki/Dockerfile
index 5f8cd38..0f23586 100644
--- a/mediawiki/Dockerfile
+++ b/mediawiki/Dockerfile
@@ -1,10 +1,10 @@
 FROM mediawiki:1.42.1
 
-RUN git clone --depth 1 -b $MEDIAWIKI_BRANCH \
+RUN git clone --depth 1 \
     https://gerrit.wikimedia.org/r/p/mediawiki/extensions/TemplateData \
     /var/www/html/extensions/TemplateData
 
-RUN git clone --depth 1 -b $MEDIAWIKI_BRANCH \
+RUN git clone --depth 1 \
     https://gerrit.wikimedia.org/r/p/mediawiki/extensions/MobileFrontend \
     /var/www/html/extensions/MobileFrontend
 
@@ -12,14 +12,14 @@ RUN git clone --depth 1 \
     https://gitlab.com/hydrawiki/extensions/EmbedVideo.git \
     /var/www/html/extensions/EmbedVideo
 
-RUN git clone --depth 1 -b $MEDIAWIKI_BRANCH \
+RUN git clone --depth 1 \
     https://gerrit.wikimedia.org/r/p/mediawiki/extensions/Elastica \
     /var/www/html/extensions/Elastica
 
-RUN git clone --depth 1 -b $MEDIAWIKI_BRANCH \
+RUN git clone --depth 1 \
     https://gerrit.wikimedia.org/r/p/mediawiki/extensions/CirrusSearch \
     /var/www/html/extensions/CirrusSearch
 
-RUN git clone --depth 1 -b $MEDIAWIKI_BRANCH \
+RUN git clone --depth 1 \
     https://gerrit.wikimedia.org/r/p/mediawiki/extensions/ConfirmEdit \
     /var/www/html/extensions/ConfirmEdit