diff --git a/gfx/gl.c b/gfx/gl.c
index 7a2a58643b..89a95246a2 100644
--- a/gfx/gl.c
+++ b/gfx/gl.c
@@ -796,6 +796,9 @@ static void gl_update_input_size(gl_t *gl, unsigned width, unsigned height, unsi
 #ifdef __CELLOS_LV2__
 static void gl_copy_frame(gl_t *gl, const void *frame, unsigned width, unsigned height, unsigned pitch)
 {
+   if(!gl->fbo_inited)
+      gl_set_viewport(gl, gl->win_width, gl->win_height, false, true);
+
    size_t buffer_addr        = gl->tex_w * gl->tex_h * gl->tex_index * gl->base_size;
    size_t buffer_stride      = gl->tex_w * gl->base_size;
    const uint8_t *frame_copy = frame;