diff --git a/promtail/Dockerfile b/promtail/Dockerfile
index fa94a57..df73fcf 100644
--- a/promtail/Dockerfile
+++ b/promtail/Dockerfile
@@ -41,7 +41,7 @@ RUN case "${BUILD_ARCH}" in \
 
 # Add promtail
 RUN apk add --no-cache curl tar unzip; \
-    curl -s -J -L -o promtail-linux-amd64.zip 
+    curl -s -J -L -o promtail-linux-amd64.zip  \
         "https://github.com/grafana/loki/releases/download/v${PROMTAIL_VERSION}/promtail-linux-amd64.zip"; \
     unzip promtail-linux-amd64.zip -d /usr/bin; \
     mv /usr/bin/promtail-linux-amd64 /usr/bin/promtail; \