diff --git a/libtransmission/clients.c b/libtransmission/clients.c
index 3b3f5ec91..d46c15237 100644
--- a/libtransmission/clients.c
+++ b/libtransmission/clients.c
@@ -26,7 +26,7 @@
 
 static int charToInt( char character );
 
-int charToInt( char character )
+static int charToInt( char character )
 {
     int value = character - '0';