diff --git a/examples/nfc-dep-initiator.c b/examples/nfc-dep-initiator.c
index 272cdf0..0d74915 100644
--- a/examples/nfc-dep-initiator.c
+++ b/examples/nfc-dep-initiator.c
@@ -50,7 +50,7 @@
 
 static nfc_device *pnd;
 
-void stop_dep_communication (int sig)
+static void stop_dep_communication (int sig)
 {
   (void) sig;
   if (pnd)