diff --git a/net/xrootd/src/xrootd/configure.classic b/net/xrootd/src/xrootd/configure.classic
index b50a79a13c377cd9ba8be3be849627dc64288c0d..93a4cc7d40a4674c3b87f530a6469163f96e39a3 100755
--- a/net/xrootd/src/xrootd/configure.classic
+++ b/net/xrootd/src/xrootd/configure.classic
@@ -2328,6 +2328,12 @@ fi
 ### echo %%% Support for SSL authentication
 #
 #
+if test "x$enable_secssl" = "xyes" ; then
+   if test "x$nccflv" = "xicc" || test "x$nccflv" = "xiccx8664" ; then
+      echo "SSL authentication not supported under ICC - disabling"
+      enable_secssl="no"
+   fi
+fi
 if test "x$enable_secssl" = "x" ; then
    if test "x$platform" = "xlinux" || test "x$platform" = "xmacosx" ; then
       # Default 'yes' for linux and macosx only, for the time being