diff --git a/targets/RT/USER/lte-uesoftmodem.c b/targets/RT/USER/lte-uesoftmodem.c
index 03283beb98..a2a12f9dd9 100644
--- a/targets/RT/USER/lte-uesoftmodem.c
+++ b/targets/RT/USER/lte-uesoftmodem.c
@@ -136,7 +136,7 @@ volatile int             start_UE = 0;
 #endif
 volatile int             oai_exit = 0;
 
-static clock_source_t clock_source = internal;
+clock_source_t clock_source = internal;
 static int wait_for_sync = 0;
 
 unsigned int                    mmapped_dma=0;