diff --git a/BaseTools/Source/C/GenSec/GenSec.c b/BaseTools/Source/C/GenSec/GenSec.c
index 5545f12b74..01d3bc4448 100644
--- a/BaseTools/Source/C/GenSec/GenSec.c
+++ b/BaseTools/Source/C/GenSec/GenSec.c
@@ -1670,7 +1670,11 @@ Finish:
   if (OutFile != NULL) {
     fclose (OutFile);
   }
-  
+
+  if (DummyFileBuffer != NULL) {
+    free (DummyFileBuffer);
+  }
+
   VerboseMsg ("%s tool done with return code is 0x%x.", UTILITY_NAME, GetUtilityStatus ());
 
   return GetUtilityStatus ();