diff --git a/.editorconfig b/.editorconfig
index 098e8f2..137e978 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -12,6 +12,10 @@ charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
 
+# Do not trim trailing whitespace on diff files as it can be used for alignment
+[*.diff]
+trim_trailing_whitespace = false
+
 # Do not trim trailing whitespace on Markdown files as double space can be used
 # for a newline
 [*.md]