diff --git a/firmware/config/boards/kinetis/chconf.h b/firmware/config/boards/kinetis/chconf.h
index 4c00732728..4e2c8fe29c 100644
--- a/firmware/config/boards/kinetis/chconf.h
+++ b/firmware/config/boards/kinetis/chconf.h
@@ -797,6 +797,9 @@ extern "C"
 
 #ifndef __ASSEMBLER__
 
+#ifdef __cplusplus
+extern "C"
+#endif
 void chDbgPanic3(const char *msg, const char * file, int line);
 #endif
 
diff --git a/firmware/config/stm32f4ems/chconf.h b/firmware/config/stm32f4ems/chconf.h
index 3cf817cdb6..58c8c8d8e9 100644
--- a/firmware/config/stm32f4ems/chconf.h
+++ b/firmware/config/stm32f4ems/chconf.h
@@ -754,6 +754,9 @@
 
 #ifndef __ASSEMBLER__
 
+#ifdef __cplusplus
+extern "C"
+#endif
 void chDbgPanic3(const char *msg, const char * file, int line);
 #endif