1 files changed, 6 insertions, 0 deletions
diff --git a/t/comp/proto.t b/t/comp/proto.t
index 0d3de96a51..197ea78272 100755
--- a/t/comp/proto.t
+++ b/t/comp/proto.t
@@ -7,6 +7,12 @@
 #
 # It is impossible to test every prototype that can be specified, but
 # we should test as many as we can.
+#
+
+BEGIN {
+    chdir 't' if -d 't';
+    @INC = '../lib';
+}
 
 use strict;