diff --git a/corsika/detail/framework/core/Cascade.inl b/corsika/detail/framework/core/Cascade.inl
index 2a8b32489820ca21f123626b468a90f3a328afc1..5819be9e638473e39c1cb206e6c38fba002c1682 100644
--- a/corsika/detail/framework/core/Cascade.inl
+++ b/corsika/detail/framework/core/Cascade.inl
@@ -43,7 +43,8 @@ namespace corsika {
       , sequence_(pl)
       , output_(out)
       , stack_(stack)
-      , forceInteraction_(false) {
+      , forceInteraction_(false)
+      , forceDecay_(false) {
     CORSIKA_LOG_INFO(c8_ascii_);
     CORSIKA_LOG_INFO("This is CORSIKA {}.{}.{}.{}", CORSIKA_RELEASE_NUMBER,
                      CORSIKA_MAJOR_NUMBER, CORSIKA_MINOR_NUMBER, CORSIKA_PATCH_NUMBER);