diff --git a/src/check-def.sh b/src/check-def.sh
index 9417dbeb5..3545851af 100755
--- a/src/check-def.sh
+++ b/src/check-def.sh
@@ -22,7 +22,7 @@ for def in $defs; do
 
 	{
 		echo EXPORTS
-		nm $so | grep ' T ' | cut -d' ' -f3 | grep -v '^_cairo\|^_fini\|^_init' | sort -u
+		nm $so | grep ' T ' | cut -d' ' -f3 | grep -v '^_cairo.*_test_\|^_fini\|^_init' | sort -u
 		# cheat: copy the last line from the def file!
 		tail -n1 $def
 	} | diff $def - || status=1