diff --git a/SourceGithub/SourceGithub.php b/SourceGithub/SourceGithub.php
index c77145e..04b86e3 100755
--- a/SourceGithub/SourceGithub.php
+++ b/SourceGithub/SourceGithub.php
@@ -171,7 +171,7 @@
 		$f_hub_app_secret = gpc_get_string( 'hub_app_secret' );
 		$f_master_branch = gpc_get_string( 'master_branch' );
 
-		if ( !preg_match( '/\*|^[a-zA-Z0-9_\., -]*$/', $f_master_branch ) ) {
+		if ( !preg_match( '/^(\*|[a-zA-Z0-9_\., -]*)$/', $f_master_branch ) ) {
 			plugin_error( self::ERROR_INVALID_PRIMARY_BRANCH );
 		}
 
diff --git a/SourceGitlab/SourceGitlab.php b/SourceGitlab/SourceGitlab.php
index 0a3e662..0a5ed25 100644
--- a/SourceGitlab/SourceGitlab.php
+++ b/SourceGitlab/SourceGitlab.php
@@ -94,7 +94,7 @@
 		$t_ref = $p_changeset->revision;
 		$t_filename = $p_file->filename;
 
-		return "$t_root/$t_reponame/commit/$t_ref?view=parallel";
+		return "t_root/$t_reponame/commit/$t_ref?view=parallel";
 	}
 
 public function update_repo_form( $p_repo ) {
@@ -171,7 +171,7 @@
 		$f_hub_app_secret = gpc_get_string( 'hub_app_secret' );
 		$f_master_branch = gpc_get_string( 'master_branch' );
 
-		if ( !preg_match( '/\*|^[a-zA-Z0-9_\., -]*$/', $f_master_branch ) ) {
+		if ( !preg_match( '/^(\*|[a-zA-Z0-9_\., -]*)$/', $f_master_branch ) ) {
 			plugin_error( self::ERROR_INVALID_PRIMARY_BRANCH );
 		}