diff --git a/scripts/docs/Doxyfile.in b/scripts/docs/Doxyfile.in
index 7d5240734ae553c501ed3098ae1405f472b064a0..cc8644da3376dad3e2d5c2f0b435b048012df916 100644
--- a/scripts/docs/Doxyfile.in
+++ b/scripts/docs/Doxyfile.in
@@ -699,6 +699,7 @@ INPUT_ENCODING         = UTF-8
 
 FILE_PATTERNS          = *.h \
                          *.cpp \
+                         *.tpp \
                          *.dox
 
 # The RECURSIVE tag can be used to turn specify whether or not subdirectories