diff --git a/BaseTools/Source/Python/AutoGen/GenC.py b/BaseTools/Source/Python/AutoGen/GenC.py
index a4af99c07e..99d0bb6180 100755
--- a/BaseTools/Source/Python/AutoGen/GenC.py
+++ b/BaseTools/Source/Python/AutoGen/GenC.py
@@ -2076,7 +2076,7 @@ def CreateCode(Info, AutoGenC, AutoGenH, StringH, UniGenCFlag, UniGenBinBuffer,
             else:
                 CookieValue = int(GlobalData.gStackCookieValues64[hash(Info.Guid) % len(GlobalData.gStackCookieValues64)])
         except:
-            EdkLogger.error("build", AUTOGEN_ERROR, "Failed to get Stack Cookie Value List! Generating random value.", ExtraData="[%s]" % str(Info))
+            EdkLogger.warn("build", "Failed to get Stack Cookie Value List! Generating random value.", ExtraData="[%s]" % str(Info))
             if Bitwidth == 32:
                 CookieValue = secrets.randbelow (0xFFFFFFFF)
             else: