diff --git a/packaging/docker/Dockerfile.debian b/packaging/docker/Dockerfile.debian
index ad8398c90..b9fcb9801 100644
--- a/packaging/docker/Dockerfile.debian
+++ b/packaging/docker/Dockerfile.debian
@@ -55,7 +55,7 @@ RUN apt-get update && \
 
 # Add local and 64-bit locations to linker paths
 ENV echo /usr/local/lib >> /etc/ld.so.conf && \
-    echo /usr/local/lib64 >> /etc/ld.so.conf
+	echo /usr/local/lib64 >> /etc/ld.so.conf
 
 # or install unpackaged dependencies from source
 ADD packaging/deps.sh /
diff --git a/packaging/docker/Dockerfile.debian-multiarch b/packaging/docker/Dockerfile.debian-multiarch
index d776dbe3b..a7f858de6 100644
--- a/packaging/docker/Dockerfile.debian-multiarch
+++ b/packaging/docker/Dockerfile.debian-multiarch
@@ -63,18 +63,18 @@ RUN apt-get update && \
 
 # Add local and 64-bit locations to linker paths
 ENV echo /usr/local/lib >> /etc/ld.so.conf && \
-    echo /usr/local/lib64 >> /etc/ld.so.conf
+	echo /usr/local/lib64 >> /etc/ld.so.conf
 
 ADD cmake/toolchains/debian-${ARCH}.cmake /
 
 ENV PKG_CONFIG_PATH=/usr/lib/${TRIPLET}/pkgconfig:/usr/local/lib/${TRIPLET}/pkgconfig
 
 ENV CMAKE_EXTRA_OPTS="-DCMAKE_TOOLCHAIN_FILE=/debian-${ARCH}.cmake \
-				-DCMAKE_BUILD_TYPE=Release \
-				-DCMAKE_PREFIX_PATH=${PREFIX} \
-				-DCMAKE_INSTALL_PREFIX=${PREFIX} \
-				-DCMAKE_INSTALL_LIBDIR=${PREFIX}/lib/${TRIPLET} \
-				-DLWS_INSTALL_LIB_DIR=${PREFIX}/lib/${TRIPLET}"
+	-DCMAKE_BUILD_TYPE=Release \
+	-DCMAKE_PREFIX_PATH=${PREFIX} \
+	-DCMAKE_INSTALL_PREFIX=${PREFIX} \
+	-DCMAKE_INSTALL_LIBDIR=${PREFIX}/lib/${TRIPLET} \
+	-DLWS_INSTALL_LIB_DIR=${PREFIX}/lib/${TRIPLET}"
 
 ENV CONFIGURE_OPTS="--libdir=${PREFIX}/lib/${TRIPLET}"
 
@@ -111,7 +111,7 @@ COPY . /villas/
 
 RUN rm -rf /villas/build && mkdir /villas/build
 WORKDIR /villas/build
-			
+
 RUN cmake ${CMAKE_OPTS} ${CMAKE_EXTRA_OPTS} .. && \
 	make -j$(nproc) install
 
diff --git a/packaging/docker/Dockerfile.fedora b/packaging/docker/Dockerfile.fedora
index 88d86d39c..2d1ef0c0e 100644
--- a/packaging/docker/Dockerfile.fedora
+++ b/packaging/docker/Dockerfile.fedora
@@ -69,7 +69,7 @@ RUN dnf -y install \
 
 # Add local and 64-bit locations to linker paths
 RUN echo /usr/local/lib   >> /etc/ld.so.conf && \
-    echo /usr/local/lib64 >> /etc/ld.so.conf
+	echo /usr/local/lib64 >> /etc/ld.so.conf
 
 # Install unpackaged dependencies from source
 ADD packaging/deps.sh /
diff --git a/packaging/docker/Dockerfile.ubuntu b/packaging/docker/Dockerfile.ubuntu
index 0bfb82217..78f85454d 100644
--- a/packaging/docker/Dockerfile.ubuntu
+++ b/packaging/docker/Dockerfile.ubuntu
@@ -57,7 +57,7 @@ RUN apt-get update && \
 
 # Add local and 64-bit locations to linker paths
 ENV echo /usr/local/lib >> /etc/ld.so.conf && \
-    echo /usr/local/lib64 >> /etc/ld.so.conf
+	echo /usr/local/lib64 >> /etc/ld.so.conf
 
 # or install unpackaged dependencies from source
 ADD packaging/deps.sh /