diff --git a/weed/server/common.go b/weed/server/common.go
index 85d052993..2e3053092 100644
--- a/weed/server/common.go
+++ b/weed/server/common.go
@@ -75,7 +75,7 @@ func writeJsonError(w http.ResponseWriter, r *http.Request, httpStatus int, err
 }
 
 func debug(params ...interface{}) {
-	glog.V(4).Infoln(params)
+	glog.V(4).Infoln(params...)
 }
 
 func submitForClientHandler(w http.ResponseWriter, r *http.Request, masterUrl string) {
diff --git a/weed/server/filer_server_handlers_read_dir.go b/weed/server/filer_server_handlers_read_dir.go
index e0c465461..bcf7f0eb5 100644
--- a/weed/server/filer_server_handlers_read_dir.go
+++ b/weed/server/filer_server_handlers_read_dir.go
@@ -30,7 +30,7 @@ func (fs *FilerServer) listDirectoryHandler(w http.ResponseWriter, r *http.Reque
 	entries, err := fs.filer.ListDirectoryEntries(filer2.FullPath(path), lastFileName, false, limit)
 
 	if err != nil {
-		glog.V(0).Infof("listDirectory %s %s $d: %s", path, lastFileName, limit, err)
+		glog.V(0).Infof("listDirectory %s %s %d: %s", path, lastFileName, limit, err)
 		w.WriteHeader(http.StatusNotFound)
 		return
 	}
diff --git a/weed/server/filer_server_handlers_write_monopart.go b/weed/server/filer_server_handlers_write_monopart.go
index 30fbcf7f9..db8869d67 100644
--- a/weed/server/filer_server_handlers_write_monopart.go
+++ b/weed/server/filer_server_handlers_write_monopart.go
@@ -84,7 +84,7 @@ func (fs *FilerServer) monolithicUploadAnalyzer(w http.ResponseWriter, r *http.R
 	*/
 	lastPos := strings.LastIndex(r.URL.Path, "/")
 	if lastPos == -1 || lastPos == 0 || lastPos == len(r.URL.Path)-1 {
-		glog.V(0).Infoln("URL Path [%s] is invalid, could not retrieve file name", r.URL.Path)
+		glog.V(0).Infof("URL Path [%s] is invalid, could not retrieve file name", r.URL.Path)
 		err = fmt.Errorf("URL Path is invalid")
 		writeJsonError(w, r, http.StatusInternalServerError, err)
 		return