diff --git a/lustre/tests/test-framework.sh b/lustre/tests/test-framework.sh
index a2257b7d120d7190e1b01b4819f2998d4a41d897..701be5d08bce93d31de3a6ce190e8bd188a0be6d 100644
--- a/lustre/tests/test-framework.sh
+++ b/lustre/tests/test-framework.sh
@@ -810,7 +810,7 @@ debugsave() {
 }
 
 debugrestore() {
-    [ -n "$DEBUGSAVE" ] && sysctl -w lnet.debug=\"$DEBUGSAVE\"
+    [ -n "$DEBUGSAVE" ] && sysctl -w lnet.debug="${DEBUGSAVE}"
     DEBUGSAVE=""
 }