diff --git a/cpp_systems_header_codegen/cpp_systems_header_codegen.cc b/cpp_systems_header_codegen/cpp_systems_header_codegen.cc
index 6d5c556..cb28c53 100644
--- a/cpp_systems_header_codegen/cpp_systems_header_codegen.cc
+++ b/cpp_systems_header_codegen/cpp_systems_header_codegen.cc
@@ -455,7 +455,7 @@ struct context_body_details {
 				details.optional_components.emplace(comp_id);
 			}
 
-			if((cap & ECSACT_SYS_CAP_OPTIONAL) == ECSACT_SYS_CAP_STREAM_TOGGLE) {
+			if((cap & ECSACT_SYS_CAP_STREAM_TOGGLE) == ECSACT_SYS_CAP_STREAM_TOGGLE) {
 				details.stream_components.emplace(comp_id);
 			}
 		}