--- a/configure.in
+++ b/configure.in
@@ -47,7 +47,7 @@
     fi
   done
 else
-  LDFLAGS=" -L${with_pcap_lib} "${LDFLAGS}
+  LDFLAGS="${with_pcap_lib} "${LDFLAGS}
 fi
 
 AC_ARG_ENABLE(fdesc,