diff --git a/libs/spandsp/.gitignore b/libs/spandsp/.gitignore
index 123403b0f9..9d3e352ee3 100644
--- a/libs/spandsp/.gitignore
+++ b/libs/spandsp/.gitignore
@@ -10,3 +10,5 @@ src/v27ter_tx_4800_rrc.h
 src/v29rx_rrc.h
 src/v29tx_rrc.h
 INSTALL
+test-data/itu/tiff-fx/Makefile
+test-data/itu/tiff-fx/Makefile.in