diff --git a/configure b/configure
index 61a111e..96850dd 100755
--- a/configure
+++ b/configure
@@ -5536,7 +5536,7 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $large_secmem" >&5
 $as_echo "$large_secmem" >&6; }
 if test "$large_secmem" = yes ; then
-   SECMEM_BUFFER_SIZE=65536
+   SECMEM_BUFFER_SIZE=1048576
 else
    SECMEM_BUFFER_SIZE=32768
 fi