diff --git a/doc/Doxyfile.in b/doc/Doxyfile.in
index 7f5b26a61..497f7ab6c 100644
--- a/doc/Doxyfile.in
+++ b/doc/Doxyfile.in
@@ -607,6 +607,7 @@ EXCLUDE_SYMLINKS       = NO
 EXCLUDE_PATTERNS       = CMake* \
                          *.txt \
                          *.sh \
+                         *.orig \
                          *.diff \
                          diff
                          *~
diff --git a/unsupported/doc/Doxyfile.in b/unsupported/doc/Doxyfile.in
index a9c7d6004..e55d53f7e 100644
--- a/unsupported/doc/Doxyfile.in
+++ b/unsupported/doc/Doxyfile.in
@@ -601,6 +601,7 @@ EXCLUDE_PATTERNS       = CMake* \
                          *.txt \
                          *.sh \
                          *.diff \
+                         *.orig \
                          diff
                          *~