diff --git a/firmware/config/stm32f7ems/chconf.h b/firmware/config/stm32f7ems/chconf.h
index 1f23da7a96..bf11a66bc5 100644
--- a/firmware/config/stm32f7ems/chconf.h
+++ b/firmware/config/stm32f7ems/chconf.h
@@ -37,6 +37,11 @@
  #define EFI_CLOCK_LOCKS FALSE
 #endif /* EFI_CLOCK_LOCKS */
 
+#if !defined(ENABLE_PERF_TRACE) || defined(__DOXYGEN__)
+// looks like this value could not be defined in efifeatures.h - please define either externally or just change the value here
+ #define ENABLE_PERF_TRACE TRUE
+#endif /* ENABLE_PERF_TRACE */
+
 #include "chconf_common.h"