diff --git a/gst-libs/gst/gl/gstglfilter.c b/gst-libs/gst/gl/gstglfilter.c
index 1442acc13e..6ea48a5109 100644
--- a/gst-libs/gst/gl/gstglfilter.c
+++ b/gst-libs/gst/gl/gstglfilter.c
@@ -899,7 +899,7 @@ gst_gl_filter_propose_allocation (GstBaseTransform * trans,
 
     if (decide_pool && GST_IS_GL_BUFFER_POOL (decide_pool)
         && gst_caps_is_equal_fixed (decide_caps, caps)) {
-      config = gst_buffer_pool_get_config (pool);
+      config = gst_buffer_pool_get_config (decide_pool);
       gst_buffer_pool_config_get_params (config, NULL, &size, NULL, NULL);
       gst_structure_free (config);