diff --git a/makefile b/makefile
index 6c51643..2972487 100644
--- a/makefile
+++ b/makefile
@@ -12,7 +12,7 @@ DEBUG   ?= 0
 CC      ?= cc
 LD      ?= ld
 CFLAGS  += -c -std=gnu99 -Wall -Wextra -Wpedantic -Ilib -MMD -MP
-LDFLAGS +=
+LDFLAGS += -lm
 MARCH   ?= $(shell uname -m)
 KERNEL  ?= $(shell uname -s | tr '[:upper:]' '[:lower:]')