diff --git a/cpp_systems_header_codegen/cpp_systems_header_codegen.cc b/cpp_systems_header_codegen/cpp_systems_header_codegen.cc
index 561a254..6ce0b73 100644
--- a/cpp_systems_header_codegen/cpp_systems_header_codegen.cc
+++ b/cpp_systems_header_codegen/cpp_systems_header_codegen.cc
@@ -463,7 +463,7 @@ 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);
 			}
 		}