diff --git a/tests/codec-regression.sh b/tests/codec-regression.sh
index f21a1b0938..24225ebbff 100755
--- a/tests/codec-regression.sh
+++ b/tests/codec-regression.sh
@@ -7,7 +7,7 @@
 
 set -e
 
-. tests/regression-funcs.sh
+. $(dirname $0)/regression-funcs.sh
 
 eval do_$test=y