diff --git a/ShellPkg/Library/UefiDpLib/Dp.c b/ShellPkg/Library/UefiDpLib/Dp.c
index 0176e31bc0..54fd0d1ae1 100644
--- a/ShellPkg/Library/UefiDpLib/Dp.c
+++ b/ShellPkg/Library/UefiDpLib/Dp.c
@@ -386,6 +386,9 @@ ShellCommandRunDp (
   }
 
 Done:
+  if (ParamPackage != NULL) {
+    ShellCommandLineFreeVarList (ParamPackage);
+  }
   SHELL_FREE_NON_NULL (StringPtr);
   if (CustomCumulativeData != NULL) {
     SHELL_FREE_NON_NULL (CustomCumulativeData->Name);