diff --git a/Dockerfile b/Dockerfile
index c888684c569fea56de0f3d1aa061b185a6320d04..083c8e67aa97af1b02edaf9fd8dc1a6028d495ce 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,10 +25,11 @@ RUN apk add --no-cache \
 
 ARG QUASSEL_VERSION=""
 ARG QUASSEL_BRANCH="master"
+ARG QUASSEL_REPO="https://github.com/quassel/quassel"
 
 # setup repo
 RUN mkdir /quassel && \
-    git clone -b "$QUASSEL_BRANCH" --single-branch https://github.com/quassel/quassel /quassel/src && \
+    git clone -b "$QUASSEL_BRANCH" --single-branch "$QUASSEL_REPO" /quassel/src && \
     cd /quassel/src && \
     if [ ! -z "$QUASSEL_VERSION" ]; then \
       git checkout $QUASSEL_VERSION; \
diff --git a/Makefile b/Makefile
index ab31bb49ce70dd9600036a58a3c8ad5add96a9d2..4aa0cbe536c9f7d1cc96a8877dd0701cb6320ad3 100644
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,7 @@ NAME=k8r.eu/justjanne/quassel-docker
 ALPINE_VERSION=3.10
 QUASSEL_VERSION=
 QUASSEL_BRANCH=master
+QUASSEL_REPO=https://github.com/quassel/quassel
 ifeq ($(strip $(QUASSEL_VERSION)),)
 IMAGE_VERSION=trunk
 else
@@ -21,6 +22,7 @@ build_x86: Dockerfile
 		--build-arg BASE=alpine:$(ALPINE_VERSION) \
 		--build-arg QUASSEL_VERSION=$(QUASSEL_VERSION) \
 		--build-arg QUASSEL_BRANCH=$(QUASSEL_BRANCH) \
+		--build-arg QUASSEL_REPO=$(QUASSEL_REPO) \
 		.
 	if [ ! -z "$(QUASSEL_VERSION)" ]; then docker tag $(NAME):$(IMAGE_VERSION) $(NAME):latest; fi
 
@@ -31,6 +33,7 @@ build_aarch64: Dockerfile
 		--build-arg BASE=multiarch/alpine:aarch64-v$(ALPINE_VERSION) \
 		--build-arg QUASSEL_VERSION=$(QUASSEL_VERSION) \
 		--build-arg QUASSEL_BRANCH=$(QUASSEL_BRANCH) \
+		--build-arg QUASSEL_REPO=$(QUASSEL_REPO) \
 		.
 	if [ ! -z "$(QUASSEL_VERSION)" ]; then docker tag $(NAME):$(IMAGE_VERSION)-aarch64 $(NAME):aarch64; fi
 
@@ -41,6 +44,7 @@ build_armhf: Dockerfile
 		--build-arg BASE=multiarch/alpine:armhf-v$(ALPINE_VERSION) \
 		--build-arg QUASSEL_VERSION=$(QUASSEL_VERSION) \
 		--build-arg QUASSEL_BRANCH=$(QUASSEL_BRANCH) \
+		--build-arg QUASSEL_REPO=$(QUASSEL_REPO) \
 		.
 	if [ ! -z "$(QUASSEL_VERSION)" ]; then docker tag $(NAME):$(IMAGE_VERSION)-armhf $(NAME):armhf; fi
 
diff --git a/build.sh b/build.sh
index 2468cabcfdfc0edfe0906cbf5c6df4063ab4631c..4f64644db3ba45a2747de1d92f1e3d9d7b9d68c8 100755
--- a/build.sh
+++ b/build.sh
@@ -1,4 +1,4 @@
 #!/bin/sh
 
 make QUASSEL_BRANCH=0.13 QUASSEL_VERSION=0.13.1
-make QUASSEL_BRANCH=master
+make QUASSEL_BRANCH=master QUASSEL_REPO=https://github.com/justjanne/quassel