diff --git a/externals/CMakeLists.txt b/externals/CMakeLists.txt
index 6eaaacfa00090c0e2d144c9f03d517d83cec7475..7e98c5203c13b30549867817141d193bb9f780da 100644
--- a/externals/CMakeLists.txt
+++ b/externals/CMakeLists.txt
@@ -416,15 +416,15 @@ LCGPackage_Add(
 if(LCG_TARGET MATCHES "i686")
   set (xerces_config_opts --disable-sse2)
 endif()
-if(heptools_version MATCHES experimental)
-set(xerces_config_opts --enable-transcoder-iconv --enable-msgloader-iconv --enable-netaccessor-curl --enable-netaccessor-socket  --enable-transcoder-gnuiconv --enable-transcoder-icu --disable-msgloader-icu  -disable-static)
-endif()
+#if(heptools_version MATCHES experimental)
+#set(xerces_config_opts --enable-transcoder-iconv --enable-msgloader-iconv --enable-netaccessor-curl --enable-netaccessor-socket  --enable-transcoder-gnuiconv --enable-transcoder-icu --disable-msgloader-icu  -disable-static)
+#endif()
 
 
 LCGPackage_Add(
   XercesC
   URL http://service-spi.web.cern.ch/service-spi/external/tarFiles/xerces-c-<XercesC_<NATIVE_VERSION>_author>.tar.gz
-  CONFIGURE_COMMAND <SOURCE_DIR>/configure --prefix=<INSTALL_DIR> ${xerces_config_opts}
+  CONFIGURE_COMMAND <SOURCE_DIR>/configure --prefix=<INSTALL_DIR> ${xerces_config_opts} LIBS=-lc
   BUILD_COMMAND ${MAKE}
   INSTALL_COMMAND ${MAKE} install
   BUILD_IN_SOURCE 1