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-rw-r--r--visualizer.mk1
1 files changed, 1 insertions, 0 deletions
diff --git a/visualizer.mk b/visualizer.mk
index e6e0d63d03..eef2d5cc8a 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)