diff --git a/main/CMakeLists.txt b/main/CMakeLists.txt
index 55a9941..5227b44 100644
--- a/main/CMakeLists.txt
+++ b/main/CMakeLists.txt
@@ -563,6 +563,6 @@ target_compile_options(${COMPONENT_TARGET}
         -DGIT_SHORT_REV="${GIT_SHORT_REV}"
         -DGIT_MESSAGE="${GIT_MESSAGE}"
         -DGIT_BRANCH="${GIT_BRANCH}"
-        -DBOBBY_DEFAULT_USERNAME="${BOBBY_DEFAULT_OTA_NAME}"
+        -DBOBBY_DEFAULT_USERNAME="${BOBBY_DEFAULT_USERNAME}"
         ${BOBBYCAR_BUILDFLAGS}
 )