diff --git a/NEWS b/NEWS
index 43c4d6fd1a..c85646f938 100644
--- a/NEWS
+++ b/NEWS
@@ -47,6 +47,10 @@ Trunk (not on release branches yet)
 1.3.4 (expected)
 ----------------
 
+- Pass visibility flags to libltdl's configure script, resulting in
+  those symbols being hidden.  This appears to mainly solve the
+  problem of applications attempting to use different versions of
+  libltdl from that used to build Open MPI.
 
 
 1.3.3
diff --git a/config/opal_check_visibility.m4 b/config/opal_check_visibility.m4
index 1687470dc7..992cc08b18 100644
--- a/config/opal_check_visibility.m4
+++ b/config/opal_check_visibility.m4
@@ -101,6 +101,7 @@ AC_DEFUN([OMPI_CHECK_VISIBILITY],[
             have_visibility=0
         fi
         CFLAGS="$CFLAGS_orig$add"
+        OPAL_VISIBILITY_CFLAGS="$add"
         unset add 
     fi
     AC_DEFINE_UNQUOTED([OPAL_C_HAVE_VISIBILITY], [$have_visibility],
diff --git a/configure.ac b/configure.ac
index 2c08963217..a28d7cf239 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1231,7 +1231,7 @@ if test "$OPAL_ENABLE_DLOPEN_SUPPORT" = "1" ; then
     fi
 
     CFLAGS_save="$CFLAGS"
-    CFLAGS="$OMPI_CFLAGS_BEFORE_PICKY"
+    CFLAGS="$OMPI_CFLAGS_BEFORE_PICKY $OPAL_VISIBILITY_CFLAGS"
 
     OMPI_CONFIG_SUBDIR(opal/libltdl, [$ompi_subdir_args], [HAPPY=1], [HAPPY=0])
     if test "$HAPPY" = "1"; then