diff --git a/test/run-tests.sh b/test/run-tests.sh
index 564b884582606c9b3731281419c3a9b7a40fc4a1..53149c256870843d83e012a52db0bd7f3319149e 100755
--- a/test/run-tests.sh
+++ b/test/run-tests.sh
@@ -10,9 +10,9 @@ export DEBUG_ASDF_TEST=
 
 while getopts "duh" OPTION
 do
-    case OPTION in
+    case $OPTION in
         d)
-            DEBUG_ASDF_TEST = 1
+            DEBUG_ASDF_TEST=1
             ;;
         u)
             usage