diff --git a/firmware/iar/ch.ewp b/firmware/iar/ch.ewp
index 31abd9a4bb..5a849cbf0a 100644
--- a/firmware/iar/ch.ewp
+++ b/firmware/iar/ch.ewp
@@ -2346,7 +2346,7 @@
$PROJ_DIR$\..\controllers\system\scheduler.h
- $PROJ_DIR$\..\controllers\system\signal_executor_sleep.c
+ $PROJ_DIR$\..\controllers\system\signal_executor_sleep.cpp
$PROJ_DIR$\..\controllers\system\signal_executor_sleep.h
@@ -2749,7 +2749,7 @@
$PROJ_DIR$\..\hw_layer\vehicle_speed.h
- $PROJ_DIR$\..\hw_layer\wave_analyzer_hw.c
+ $PROJ_DIR$\..\hw_layer\wave_analyzer_hw.cpp
$PROJ_DIR$\..\hw_layer\wave_analyzer_hw.h