diff --git a/firmware/CMakeLists.txt b/firmware/CMakeLists.txt
index 2c338ce3f..371d715bb 100644
--- a/firmware/CMakeLists.txt
+++ b/firmware/CMakeLists.txt
@@ -20,6 +20,7 @@
 
 project(firmware)
 
+set(BASEBAND ${PROJECT_SOURCE_DIR}/baseband)
 set(COMMON ${PROJECT_SOURCE_DIR}/common)
 set(CHIBIOS ${PROJECT_SOURCE_DIR}/chibios)
 set(CHIBIOS_PORTAPACK ${PROJECT_SOURCE_DIR}/chibios-portapack)