diff --git a/gui.c b/gui.c
index a50bf39..c7a8377 100644
--- a/gui.c
+++ b/gui.c
@@ -189,7 +189,7 @@ int gui_main(Engine *engine)
             } else if (ch == '\n' || ch == '\r') {
                 /* Submit plugin URI */
                 if (plugin_uri_input_len > 0) {
-                    carla_add_plugin(&carla_host, selected_channel, plugin_uri_input, PLUGIN_TYPE_INTERNAL);
+                    carla_add_plugin(&g_engine->carla_host, selected_channel, plugin_uri_input, PLUGIN_TYPE_INTERNAL);
                     plugin_uri_input_len = 0;
                     plugin_uri_input[0] = '\0';
                 }
diff --git a/tui.c b/tui.c
index 344c56c..9ea1a3c 100644
--- a/tui.c
+++ b/tui.c
@@ -10,8 +10,6 @@
 #include <ctype.h>
 #include <math.h>
 
-#define GRID_ROWS 8
-#define GRID_COLS 8
 #define CELL_WIDTH 6
 #define CELL_HEIGHT 3