--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -255,7 +255,7 @@ gnomebaker_SOURCES = \
        cairofillbar.c cairofillbar.h \
        backend.c backend.h
 
-gnomebaker_LDADD = @GNOMEBAKER_LIBS@
+gnomebaker_LDADD = @GNOMEBAKER_LIBS@ -lm
 gnomebaker_LDFLAGS = -export-dynamic 
 all: all-am