--- Makefile.in
+++ Makefile.in
@@ -47,7 +47,7 @@
 # CFLAGS = $(DEFS) $(INCLS)
 STATIC =
 LDFLAGS = @LDFLAGS@ $(DBGFLAGS) $(STATIC)
-LIBS =  @LIBNBASE_LIBS@ @LIBNSOCK_LIBS@ @LIBPCRE_LIBS@ @LIBPCAP_LIBS@ $(OPENSSL_LIBS) libnetutil/libnetutil.a @LIBDNET_LIBS@ @LIBLUA_LIBS@ @LIBS@
+LIBS =  @LIBNBASE_LIBS@ @LIBNSOCK_LIBS@ @LIBPCRE_LIBS@ @LIBPCAP_LIBS@ $(OPENSSL_LIBS) libnetutil/libnetutil.a @LIBDNET_LIBS@ @LIBLUA_LIBS@ @LIBS@ -lm
 OPENSSL_LIBS = @OPENSSL_LIBS@
 # LIBS =  -lefence @LIBS@
 # LIBS =  -lrmalloc @LIBS@