diff --git a/configure.in b/configure.in
index cb9bdb73065..05ae5c7408e 100644
--- a/configure.in
+++ b/configure.in
@@ -729,7 +729,7 @@ phplibdir="`pwd`/modules"
 phptempdir="`pwd`/libs"
 AC_SUBST(phplibdir)
 AC_SUBST(phptempdir)
-EXTRA_LIBS="$LIBS"
+EXTRA_LIBS="$LIBS $EXTRA_LIBS"
 LIBS=""
 
 AC_SUBST(CFLAGS)