diff --git a/configs/vsn/src/sif.c b/configs/vsn/src/sif.c
index 456f38a30ff..0e08280dec9 100644
--- a/configs/vsn/src/sif.c
+++ b/configs/vsn/src/sif.c
@@ -496,7 +496,7 @@ int sif_init(void)
  * Provides direct access to the sensor connector, readings, and diagnostic.
  **/
  
-extern int cc1101_eventcb(int irq, FAR void *context)
+extern int cc1101_eventcb(int irq, FAR void *context);
  
 int sif_main(int argc, char *argv[])
 {