diff --git a/visualizer.c b/visualizer.c
index 2a92524e..402bbd15 100644
--- a/visualizer.c
+++ b/visualizer.c
@@ -321,6 +321,13 @@ static THD_FUNCTION(visualizerThread, arg) {
 }
 
 void visualizer_init(void) {
+#ifdef LCD_ENABLE
+    gfxInit();
+#endif
+
+#ifdef LCD_BACKLIGHT_ENABLE
+    lcd_backlight_init();
+#endif
     // We are using a low priority thread, the idea is to have it run only
     // when the main thread is sleeping during the matrix scanning
     chEvtObjectInit(&layer_changed_event);
diff --git a/visualizer.mk b/visualizer.mk
index e6e0d63d..eef2d5cc 100644
--- a/visualizer.mk
+++ b/visualizer.mk
@@ -24,6 +24,7 @@ GFXLIB = $(VISUALIZER_DIR)/ugfx
 ifdef LCD_ENABLE
 include $(GFXLIB)/gfx.mk
 OPT_DEFS += -DLCD_ENABLE
+OPT_LIBS += -lm
 endif
 SRC += $(GFXSRC) $(VISUALIZER_DIR)/visualizer.c
 INC += $(GFXINC) $(VISUALIZER_DIR)