diff --git a/source/filter-shadow-sdf.cpp b/source/filter-shadow-sdf.cpp
index 02178aa1..b92e5f1e 100644
--- a/source/filter-shadow-sdf.cpp
+++ b/source/filter-shadow-sdf.cpp
@@ -406,6 +406,7 @@ void filter::shadow_sdf::shadow_sdf_factory::destroy(void* inptr)
 	if (get()->sources.empty()) {
 		get()->on_list_empty();
 	}
+	delete ptr;
 }
 
 void filter::shadow_sdf::shadow_sdf_factory::get_defaults(obs_data_t* data)