diff --git a/libtransmission/utils-test.c b/libtransmission/utils-test.c
index 34bc1cfc9..2e2650618 100644
--- a/libtransmission/utils-test.c
+++ b/libtransmission/utils-test.c
@@ -417,8 +417,8 @@ main( void )
     /* base64 */
     out = tr_base64_encode( "YOYO!", -1, &len );
     check( out );
-    check( !strcmp( out, "WU9ZTyE=\n" ) );
-    check( len == 9 );
+    check( !strcmp( out, "WU9ZTyE=" ) );
+    check( len == 8 );
     in = tr_base64_decode( out, -1, &len );
     check( in );
     check( !strcmp( in, "YOYO!" ) );
diff --git a/libtransmission/utils.c b/libtransmission/utils.c
index 507bfa83a..f8fe9439f 100644
--- a/libtransmission/utils.c
+++ b/libtransmission/utils.c
@@ -1154,6 +1154,7 @@ tr_base64_encode( const void * input, int length, int * setme_len )
 
         bmem = BIO_new( BIO_s_mem( ) );
         b64 = BIO_new( BIO_f_base64( ) );
+        BIO_set_flags( b64, BIO_FLAGS_BASE64_NO_NL );
         b64 = BIO_push( b64, bmem );
         BIO_write( b64, input, length );
         (void) BIO_flush( b64 );