--- Makefile.am	2012-03-15 21:25:45.539774759 +0100
+++ Makefile.am	2012-03-15 21:25:32.090942892 +0100
@@ -1,6 +1,7 @@
 lib_LTLIBRARIES=libimageworsener.la
 libimageworsener_la_SOURCES=src/imagew-api.c src/imagew-gif.c  src/imagew-miff.c src/imagew-resize.c src/imagew-webp.c src/imagew-bmp.c  src/imagew-jpeg.c src/imagew-opt.c src/imagew-tiff.c src/imagew-zlib.c  src/imagew-main.c src/imagew-png.c src/imagew-util.c
+libimageworsener_la_LIBADD=-lm
 libimageworsener_la_LDFLAGS=-release 0.9.8
 bin_PROGRAMS=imagew
 imagew_SOURCES=src/imagew-cmd.c
 imagew_LDADD=libimageworsener.la