diff --git a/Makefile b/Makefile
index 7c8856484..8a5096a16 100644
--- a/Makefile
+++ b/Makefile
@@ -111,7 +111,7 @@ ifneq ($(strip $(LIBXSLT)),)
 	endif
 endif
 
-LIBS = $(LIBXML2) $(LIBXSLT) $(LIBGTK) $(LIBGCONF2) $(LIBDIVECOMPUTER) $(EXTRALIBS) -lpthread
+LIBS = $(LIBXML2) $(LIBXSLT) $(LIBGTK) $(LIBGCONF2) $(LIBDIVECOMPUTER) $(EXTRALIBS) -lpthread -lm
 
 OBJS =	main.o dive.o profile.o info.o equipment.o divelist.o \
 	parse-xml.o save-xml.o libdivecomputer.o print.o uemis.o \