1 files changed, 1 insertions, 1 deletions
diff --git a/methods/ftp.h b/methods/ftp.h
index c5165782d..de2c232bd 100644
--- a/methods/ftp.h
+++ b/methods/ftp.h
@@ -68,7 +68,7 @@ class FTPConn
 	    Hashes &MD5,bool &Missing, unsigned long long MaximumSize,
             pkgAcqMethod *Owner);
    
-   FTPConn(URI Srv);
+   explicit FTPConn(URI Srv);
    ~FTPConn();
 };