diff --git a/.m1k1o/arm-base/Dockerfile b/.m1k1o/base/Dockerfile.arm
similarity index 100%
rename from .m1k1o/arm-base/Dockerfile
rename to .m1k1o/base/Dockerfile.arm
diff --git a/.m1k1o/build b/.m1k1o/build
index ec5a9871..4a484c2d 100755
--- a/.m1k1o/build
+++ b/.m1k1o/build
@@ -52,10 +52,10 @@ build_arm() {
   if [ "$1" = "base" ]
   then
     # build ARM base
-    docker build -t "${BUILD_IMAGE}:arm-base" -f arm-base/Dockerfile "${BASE}"
+    docker build -t "${BUILD_IMAGE}:arm-base" -f base/Dockerfile.arm "${BASE}"
   else
     # buld ARM image
-    docker build -t "${BUILD_IMAGE}:arm-$1" --build-arg="BASE_IMAGE=${BUILD_IMAGE}:arm-base" -f "$1/DockerfileARM" "$1/"
+    docker build -t "${BUILD_IMAGE}:arm-$1" --build-arg="BASE_IMAGE=${BUILD_IMAGE}:arm-base" -f "$1/Dockerfile.arm" "$1/"
   fi
 }
 
diff --git a/.m1k1o/chromium/DockerfileARM b/.m1k1o/chromium/Dockerfile.arm
similarity index 94%
rename from .m1k1o/chromium/DockerfileARM
rename to .m1k1o/chromium/Dockerfile.arm
index 1d23fc60..4cbb4ac7 100644
--- a/.m1k1o/chromium/DockerfileARM
+++ b/.m1k1o/chromium/Dockerfile.arm
@@ -1,4 +1,4 @@
-ARG BASE_IMAGE=m1k1o/neko:base
+ARG BASE_IMAGE=m1k1o/neko:arm-base
 FROM $BASE_IMAGE
 
 #
diff --git a/.m1k1o/firefox/DockerfileARM b/.m1k1o/firefox/Dockerfile.arm
similarity index 96%
rename from .m1k1o/firefox/DockerfileARM
rename to .m1k1o/firefox/Dockerfile.arm
index 3ea8b721..a307aedc 100644
--- a/.m1k1o/firefox/DockerfileARM
+++ b/.m1k1o/firefox/Dockerfile.arm
@@ -1,4 +1,4 @@
-ARG BASE_IMAGE=m1k1o/neko:base
+ARG BASE_IMAGE=m1k1o/neko:arm-base
 FROM $BASE_IMAGE
 
 #