diff --git a/src/kakrc b/src/kakrc
index e91d5a85..4fc8cd37 100644
--- a/src/kakrc
+++ b/src/kakrc
@@ -5,3 +5,4 @@ runtime rc/cpp.kak
 runtime rc/kakrc.kak
 runtime rc/git.kak
 runtime rc/global.kak
+runtime rc/diff.kak
diff --git a/src/rc/diff.kak b/src/rc/diff.kak
new file mode 100644
index 00000000..975f73d0
--- /dev/null
+++ b/src/rc/diff.kak
@@ -0,0 +1,11 @@
+hook global BufCreate .*\.diff \
+    setb filetype diff
+
+hook global WinSetOption filetype=diff \
+    addhl group diff-highlight; \
+    addhl -group diff-highlight regex "^\+[^\n]*\n" green default; \
+    addhl -group diff-highlight regex "^-[^\n]*\n" red default; \
+    addhl -group diff-highlight regex "^@@[^\n]*@@" cyan default;
+
+hook global WinSetOption filetype=(?!diff).* \
+    rmhl diff-highlight