diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index a770f1b899..77843ab734 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -904,7 +904,7 @@ int main( int argc, char *argv[] )
     const char *alpn_list[ALPN_LIST_SIZE];
 #endif
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
-    unsigned char alloc_buf[100000];
+    unsigned char alloc_buf[120000];
 #endif
 
     int i;