diff --git a/tools/resources/__init__.py b/tools/resources/__init__.py
index 1514365074..be0ca9a22e 100644
--- a/tools/resources/__init__.py
+++ b/tools/resources/__init__.py
@@ -467,6 +467,7 @@ class Resources(object):
         ".h": FileType.HEADER,
         ".hh": FileType.HEADER,
         ".hpp": FileType.HEADER,
+        ".inc": FileType.HEADER,
         ".o": FileType.OBJECT,
         ".hex": FileType.HEX,
         ".bin": FileType.BIN,