diff --git a/src/comm/comm.go b/src/comm/comm.go
index e3cc68f..9f675bb 100644
--- a/src/comm/comm.go
+++ b/src/comm/comm.go
@@ -83,7 +83,7 @@ func (c *Comm) Read() (buf []byte, numBytes int, bs []byte, err error) {
 		n, errRead := c.connection.Read(tmp)
 		if errRead != nil {
 			err = errRead
-			logger.Debug("initial read error: %s", err.Error())
+			logger.Debugf("initial read error: %s", err.Error())
 			return
 		}
 		header = append(header, tmp[:n]...)
@@ -116,7 +116,7 @@ func (c *Comm) Read() (buf []byte, numBytes int, bs []byte, err error) {
 		n, errRead := c.connection.Read(tmp)
 		if errRead != nil {
 			err = errRead
-			logger.Debug("consecutive read error: %s", err.Error())
+			logger.Debugf("consecutive read error: %s", err.Error())
 			return
 		}
 		buf = append(buf, tmp[:n]...)