diff --git a/Makefile b/Makefile
index 0a19844..bcd5a1a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-LDLIBS := -lscterm
+LDLIBS := -lscterm -lm
 
 BIN := $(shell basename $$(pwd))