diff --git a/radio/src/targets/common/arm/CMakeLists.txt b/radio/src/targets/common/arm/CMakeLists.txt
index c0fad4d91..0c80ad180 100644
--- a/radio/src/targets/common/arm/CMakeLists.txt
+++ b/radio/src/targets/common/arm/CMakeLists.txt
@@ -109,7 +109,7 @@ endif()
 
 if(MULTIMODULE)
   add_definitions(-DMULTIMODULE)
-  set(SRC ${SRC} pulses/multi_arm.cpp telemetry/spektrum.cpp telemetry/flysky_ibus.cpp telemetry/multi.cpp)
+  set(SRC ${SRC} pulses/multi.cpp telemetry/spektrum.cpp telemetry/flysky_ibus.cpp telemetry/multi.cpp)
 endif()
 
 if(CROSSFIRE)