diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 1dc25f5545..530bbffa3f 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -94,7 +94,7 @@ PLATFORM_VERSION_LAST_STABLE := 11
 # These are the current development codenames, if the build is not a final
 # release build.  If this is a final release build, it is simply "REL".
 PLATFORM_VERSION_CODENAME.SP1A := S
-PLATFORM_VERSION_CODENAME.TP1A := T
+PLATFORM_VERSION_CODENAME.TP1A := Tiramisu
 
 ifndef PLATFORM_VERSION_CODENAME
   PLATFORM_VERSION_CODENAME := $(PLATFORM_VERSION_CODENAME.$(TARGET_PLATFORM_VERSION))