diff --git a/tests/runtests.sh b/tests/runtests.sh
index 977dd11..6fb2608 100755
--- a/tests/runtests.sh
+++ b/tests/runtests.sh
@@ -1,5 +1,9 @@
 #!/bin/bash
 
+# Always run in script-dir
+DIR=`dirname $0`
+cd $DIR
+
 let "suc = 0"
 let "fail = 0"
 NUMTEST=82