diff --git a/src/Makefile.am b/src/Makefile.am
index 68cb0a3..a2200eb 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,3 +1,4 @@
 bin_PROGRAMS = caesiumclt
 caesiumclt_SOURCES = main.c jpeg.c compresshelper.c utils.c png.c lodepng.c
-caesiumclt_CFLAGS = -Wall -D_FILE_OFFSET_BITS=64 -std=c99
\ No newline at end of file
+caesiumclt_CFLAGS = -Wall -D_FILE_OFFSET_BITS=64 -std=c99
+caesiumclt_LDADD = -lm
\ No newline at end of file