diff --git a/.editorconfig b/.editorconfig
index 9dca9dab99044dd04121fbdd6f25c194c87df5be..553e99d087f88f6cc0b0e592965e766638e33409 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -7,6 +7,10 @@ insert_final_newline = true
 indent_style = tab
 charset = utf-8
 
+[Dockerfile]
+indent_style = space
+indent_size = 4
+
 [/patches/**]
 indent_style = unset
 indent_size = unset
diff --git a/contrib/docker/Dockerfile b/contrib/docker/Dockerfile
index 52bdf556ec5f8e9d28d8dd2722d6dea927965b98..f003bafbdba3645e33c6298c6bfc4db1074a8d9b 100644
--- a/contrib/docker/Dockerfile
+++ b/contrib/docker/Dockerfile
@@ -21,8 +21,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     ecdsautils \
     lua-check \
     shellcheck \
-  && apt-get clean \
-  && rm -rf /var/lib/apt/lists/*
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
 
 RUN useradd -d /gluon gluon
 USER gluon