diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini
index 2109950ca85ca..577f3e7a2454d 100644
--- a/options/locale/locale_en-US.ini
+++ b/options/locale/locale_en-US.ini
@@ -1350,6 +1350,7 @@ issues.action_check_all = Check/Uncheck all items
 issues.opened_by = opened %[1]s by <a href="%[2]s">%[3]s</a>
 pulls.merged_by = by <a href="%[2]s">%[3]s</a> was merged %[1]s
 pulls.merged_by_fake = by %[2]s was merged %[1]s
+pulls.changed_file_mode = %[1]s → %[2]s
 issues.closed_by = by <a href="%[2]s">%[3]s</a> was closed %[1]s
 issues.opened_by_fake = opened %[1]s by %[2]s
 issues.closed_by_fake = by %[2]s was closed %[1]s
diff --git a/services/gitdiff/gitdiff.go b/services/gitdiff/gitdiff.go
index 4a74c1a8944e5..9b5b12ec59607 100644
--- a/services/gitdiff/gitdiff.go
+++ b/services/gitdiff/gitdiff.go
@@ -358,6 +358,8 @@ type DiffFile struct {
 	IsViewed                  bool // User specific
 	HasChangedSinceLastReview bool // User specific
 	Language                  string
+	Mode                      string
+	OldMode                   string
 }
 
 // GetType returns type of diff file.
@@ -577,9 +579,19 @@ parsingLoop:
 				break curFileLoop
 			case strings.HasPrefix(line, "old mode ") ||
 				strings.HasPrefix(line, "new mode "):
+
+				if strings.HasPrefix(line, "old mode ") {
+					curFile.OldMode = strings.ReplaceAll(line, "old mode ", "")
+				}
+				if strings.HasPrefix(line, "new mode ") {
+					curFile.Mode = strings.ReplaceAll(line, "new mode ", "")
+				}
+
 				if strings.HasSuffix(line, " 160000\n") {
 					curFile.IsSubmodule = true
 				}
+			case strings.HasPrefix(line, "new file mode "):
+				curFile.Mode = strings.ReplaceAll(line, "new file mode ", "")
 			case strings.HasPrefix(line, "rename from "):
 				curFile.IsRenamed = true
 				curFile.Type = DiffFileRename
diff --git a/templates/repo/diff/box.tmpl b/templates/repo/diff/box.tmpl
index 4e6879650ddcc..5347a7f49a9bc 100644
--- a/templates/repo/diff/box.tmpl
+++ b/templates/repo/diff/box.tmpl
@@ -103,6 +103,9 @@
 									{{if $file.IsVendored}}
 										<span class="ui label gt-ml-3">{{$.locale.Tr "repo.diff.vendored"}}</span>
 									{{end}}
+									{{if and $file.Mode $file.OldMode}}
+										<span class="ui gt-ml-5 gt-mono">{{$.locale.Tr "repo.pulls.changed_file_mode" $file.OldMode $file.Mode}}</span>
+									{{end}}
 								</div>
 								<div class="diff-file-header-actions gt-df gt-ac">
 									{{if $showFileViewToggle}}