diff --git a/intern/opennl/intern/opennl.c b/intern/opennl/intern/opennl.c
index 20b4c0a6681..71809cc7480 100644
--- a/intern/opennl/intern/opennl.c
+++ b/intern/opennl/intern/opennl.c
@@ -569,6 +569,8 @@ void nlDeleteContext(NLContext context_in) {
 				__NL_DELETE(context->variable[i].a);
 			}
 		}
+
+		__NL_DELETE_ARRAY(context->variable);
 	}
 	if(context->alloc_b) {
 		__NL_DELETE_ARRAY(context->b);