diff --git a/.gitignore b/.gitignore
index e87e0c1a103f..2a91bfa058aa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -65,4 +65,5 @@ tests/testdata/raster/band3_float32_noct_epsg4326.tif.aux.xml
 tests/testdata/raster/band3_int16_noct_epsg4326.tif.aux.xml
 python/plugins/processing/tests/testdata/custom/grass7/float_raster.tif.aux.xml
 python/plugins/processing/tests/testdata/custom/grass7/raster_1class.tif.aux.xml
+python/plugins/processing/tests/testdata/dem.tif.aux.xml
 Thumb.db