diff --git a/10/architectures b/10/architectures
index f775cffb41..d31c0c2518 100644
--- a/10/architectures
+++ b/10/architectures
@@ -5,4 +5,4 @@ arm32v7        alpine3.10,alpine3.11,alpine3.9,buster,buster-slim,stretch,stretc
 arm64v8        alpine3.10,alpine3.11,alpine3.9,buster,buster-slim,stretch,stretch-slim
 i386           alpine3.10,alpine3.11,alpine3.9
 ppc64le        alpine3.10,alpine3.11,alpine3.9,buster,buster-slim
-s390x          alpine3.10,alpine3.11,alpine3.9,buster,buster-slim
\ No newline at end of file
+s390x          alpine3.10,alpine3.11,alpine3.9,buster,buster-slim
diff --git a/12/architectures b/12/architectures
index 12ba6f9d34..2d5e52a630 100644
--- a/12/architectures
+++ b/12/architectures
@@ -5,4 +5,4 @@ arm32v7        alpine3.10,alpine3.11,alpine3.12,alpine3.9,buster,buster-slim,str
 arm64v8        alpine3.10,alpine3.11,alpine3.12,alpine3.9,buster,buster-slim,stretch,stretch-slim
 i386           alpine3.10,alpine3.11,alpine3.12,alpine3.9
 ppc64le        alpine3.10,alpine3.11,alpine3.12,alpine3.9,buster,buster-slim
-s390x          alpine3.10,alpine3.11,alpine3.12,alpine3.9,buster,buster-slim
\ No newline at end of file
+s390x          alpine3.10,alpine3.11,alpine3.12,alpine3.9,buster,buster-slim
diff --git a/14/architectures b/14/architectures
index 13b0922565..09ace846d3 100644
--- a/14/architectures
+++ b/14/architectures
@@ -5,4 +5,4 @@ arm32v7        alpine3.10,alpine3.11,alpine3.12,buster,buster-slim,stretch,stret
 arm64v8        alpine3.10,alpine3.11,alpine3.12,buster,buster-slim,stretch,stretch-slim
 i386           alpine3.10,alpine3.11,alpine3.12
 ppc64le        alpine3.10,alpine3.11,alpine3.12,buster,buster-slim
-s390x          alpine3.10,alpine3.11,alpine3.12,buster,buster-slim
\ No newline at end of file
+s390x          alpine3.10,alpine3.11,alpine3.12,buster,buster-slim
diff --git a/updateArches.js b/updateArches.js
index ace02ebac3..9eb30a30e5 100644
--- a/updateArches.js
+++ b/updateArches.js
@@ -110,7 +110,7 @@ const storeArchitectures = (variantArches, architecturesFile) => {
 
   const str = Object.entries(data)
     .map((entry) => formatEntry(entry, variantOffset))
-    .join('\n');
+    .join('\n') + '\n';
 
   writeFileSync(architecturesFile, str);