diff --git a/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.c b/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.c
index f740c47158..bcf7d68b6e 100644
--- a/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.c
+++ b/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.c
@@ -634,6 +634,12 @@ Decode (
 
         BytesRemain--;
       }
+      //
+      // Once mOutBuf is fully filled, directly return
+      //
+      if (Sd->mOutBuf >= Sd->mOrigSize) {
+        goto Done ;
+      }
     }
   }