diff --git a/src/main/target/IMPULSERCF3/target.c b/src/main/target/IMPULSERCF3/target.c
index 6c98e152c7..d3b68be89c 100644
--- a/src/main/target/IMPULSERCF3/target.c
+++ b/src/main/target/IMPULSERCF3/target.c
@@ -19,6 +19,7 @@
 
 #include <platform.h>
 #include "drivers/io.h"
+#include "drivers/timer.h"
 #include "drivers/pwm_mapping.h"