diff --git a/radio/src/thirdparty/libopenui/src/libopenui_file.cpp b/radio/src/thirdparty/libopenui/src/libopenui_file.cpp
index 1cdb76061..2d5360b6d 100644
--- a/radio/src/thirdparty/libopenui/src/libopenui_file.cpp
+++ b/radio/src/thirdparty/libopenui/src/libopenui_file.cpp
@@ -20,6 +20,7 @@
 #include <inttypes.h>
 #include <string.h>
 #include "libopenui_file.h"
+#include "libopenui_defines.h"
 
 const char * getFileExtension(const char * filename, uint8_t size, uint8_t extMaxLen, uint8_t * fnlen, uint8_t * extlen)
 {