diff --git a/examples/nfc-dep-target.c b/examples/nfc-dep-target.c
index 9786ead..37440f6 100644
--- a/examples/nfc-dep-target.c
+++ b/examples/nfc-dep-target.c
@@ -49,7 +49,7 @@
 
 static nfc_device *pnd;
 
-void stop_dep_communication (int sig)
+static void stop_dep_communication (int sig)
 {
   (void) sig;
   if (pnd)