diff --git a/cmd/grumble/freeze.go b/cmd/grumble/freeze.go
index 530cfb3..a8dbcfe 100644
--- a/cmd/grumble/freeze.go
+++ b/cmd/grumble/freeze.go
@@ -49,6 +49,7 @@ func (server *Server) openFreezeLog() error {
 		if err != nil {
 			return err
 		}
+		server.freezelog = nil
 	}
 
 	logfn := filepath.Join(Args.DataDir, "servers", strconv.FormatInt(server.Id, 10), "log.fz")
diff --git a/cmd/grumble/freeze_unix.go b/cmd/grumble/freeze_unix.go
index 539b9f9..5974539 100644
--- a/cmd/grumble/freeze_unix.go
+++ b/cmd/grumble/freeze_unix.go
@@ -22,6 +22,7 @@ func (server *Server) freezeToFile() (err error) {
 		if err != nil {
 			return err
 		}
+		server.freezelog = nil
 	}
 
 	// Make sure the whole server is synced to disk
diff --git a/cmd/grumble/freeze_windows.go b/cmd/grumble/freeze_windows.go
index 2162110..8d967e7 100644
--- a/cmd/grumble/freeze_windows.go
+++ b/cmd/grumble/freeze_windows.go
@@ -21,6 +21,7 @@ func (server *Server) freezeToFile() (err error) {
 		if err != nil {
 			return err
 		}
+		server.freezelog = nil
 	}
 
 	// Make sure the whole server is synced to disk