diff --git a/packaging/docker/Dockerfile.debian-multiarch b/packaging/docker/Dockerfile.debian-multiarch
index c919c63d3..6c469aec6 100644
--- a/packaging/docker/Dockerfile.debian-multiarch
+++ b/packaging/docker/Dockerfile.debian-multiarch
@@ -38,7 +38,7 @@ RUN apt-get update && \
 RUN apt-get update && \
 	apt-get install -y \
 		libssl-dev:${ARCH} \
-		libgraphviz-dev:${ARCH} \
+		#libgraphviz-dev:${ARCH} \
 		libprotobuf-dev:${ARCH} \
 		libprotobuf-c-dev:${ARCH} \
 		uuid-dev:${ARCH} \
@@ -113,6 +113,16 @@ COPY . /villas/
 RUN rm -rf /villas/build && mkdir /villas/build
 WORKDIR /villas/build
 
+#-----------------------------
+
+ARG CACHE_BUST
+ENV PKG_CONFIG_PATH ${PKG_CONFIG_PATH}:${PREFIX}/lib/${TRIPLET}/pkgconfig
+RUN env
+RUN pkg-config --modversion libuldaq
+
+#-----------------------------
+
+
 RUN cmake ${CMAKE_OPTS} ${CMAKE_EXTRA_OPTS} .. && \
 	make -j$(nproc) install