diff --git a/resources/unfancy-file-icons.json b/resources/unfancy-file-icons.json
index 5cd42d3..cd17736 100644
--- a/resources/unfancy-file-icons.json
+++ b/resources/unfancy-file-icons.json
@@ -147,6 +147,15 @@
         "coffee": "_src",
         "litcoffee": "_src",
         "coffee.md": "_src",
+        "c": "_src",
+        "h": "_src",
+        "cpp": "_src",
+        "cxx": "_src",
+        "c++": "_src",
+        "hpp": "_src",
+        "hxx": "_src",
+        "h++": "_src",
+        "cc": "_src",
         "html": "_html",
         "xml": "_html",
         "php": "_html",