--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -264,7 +264,7 @@
 	$(GTK_CFLAGS) \
 	-I$(includedir)
 
-ripperX_LDADD = \
+ripperX_LDADD = -lm \
 	$(INTLLIBS) \
 	$(GTK_LIBS)