diff --git a/.editorconfig b/.editorconfig
index 28bb212ebd..81dc8b4ad3 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -9,6 +9,9 @@ charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
 
+[*.diff]
+trim_trailing_whitespace = false
+
 [Makefile]
 indent_style = tab