diff --git a/include/utils/ftp.h b/include/utils/ftp.h
index cafb236..4630aa2 100644
--- a/include/utils/ftp.h
+++ b/include/utils/ftp.h
@@ -10,8 +10,8 @@ typedef enum
 	LOOP_EXIT,     /*!< Terminate looping */
 } loop_status_t;
 
-bool isTransfering;
-char ftp_accepted_connection[50], ftp_file_transfer[100];
+extern bool isTransfering;
+extern char ftp_accepted_connection[50], ftp_file_transfer[100];
 
 int           ftp_init(void);
 loop_status_t ftp_loop(void);
diff --git a/source/utils/ftp.c b/source/utils/ftp.c
index 391b4ee..1ba5adc 100644
--- a/source/utils/ftp.c
+++ b/source/utils/ftp.c
@@ -33,6 +33,10 @@
 #define BIT(x) (1<<(x))
 #endif
 
+
+bool isTransfering;
+char ftp_accepted_connection[50], ftp_file_transfer[100];
+
 #define POLL_UNKNOWN    (~(POLLIN|POLLPRI|POLLOUT))
 
 #define XFER_BUFFERSIZE 32768