diff --git a/gtk/follow_tcp.c b/gtk/follow_tcp.c
index 23a6e8ddb5..ef22411ecf 100644
--- a/gtk/follow_tcp.c
+++ b/gtk/follow_tcp.c
@@ -201,6 +201,7 @@ follow_tcp_stream_cb(GtkWidget * w, gpointer data _U_)
 			  "The packets in the capture file for that stream have no data.");
 	    ws_close(tmp_fd);
 	    ws_unlink(follow_info->data_out_filename);
+	    g_free(follow_info->filter_out_filter);
 	    g_free(follow_info);
 	    return;
 	}
@@ -231,6 +232,7 @@ follow_tcp_stream_cb(GtkWidget * w, gpointer data _U_)
 	    }
 	    ws_close(tmp_fd);
 	    ws_unlink(follow_info->data_out_filename);
+	    g_free(follow_info->filter_out_filter);
 	    g_free(follow_info);
 	    return;
 	}
diff --git a/gtk/follow_udp.c b/gtk/follow_udp.c
index 6186ad6de5..7f7f117447 100644
--- a/gtk/follow_udp.c
+++ b/gtk/follow_udp.c
@@ -156,6 +156,7 @@ follow_udp_stream_cb(GtkWidget *w, gpointer data _U_)
 		simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
 			      "Can't register udp_follow tap: %s\n",
 			      msg->str);
+		g_free(follow_info->filter_out_filter);
 		g_free(follow_info);
 		return;
 	}