diff --git a/Dockerfile b/Dockerfile
index 6c26499..e6685d6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -39,10 +39,10 @@ RUN \
 	unzip && \
  pip install --no-cache-dir \
 	apprise \
-        chardet \
-        pynzb \
+	chardet \
+	pynzb \
 	requests \
-        sabyenc && \
+	sabyenc && \
  echo "**** cleanup ****" && \
  apt-get purge --auto-remove -y \
 	python-pip && \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 647b526..9529e07 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -42,10 +42,10 @@ RUN \
 	unzip && \
  pip install --no-cache-dir \
 	apprise \
-        chardet \
-        pynzb \
+	chardet \
+	pynzb \
 	requests \
-        sabyenc && \
+	sabyenc && \
  echo "**** cleanup ****" && \
  apt-get purge --auto-remove -y \
 	python-pip && \
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index d54d2ec..7723bd2 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -42,10 +42,10 @@ RUN \
 	unzip && \
  pip install --no-cache-dir \
 	apprise \
-        chardet \
-        pynzb \
+	chardet \
+	pynzb \
 	requests \
-        sabyenc && \
+	sabyenc && \
  echo "**** cleanup ****" && \
  apt-get purge --auto-remove -y \
 	python-pip && \