diff --git a/src/storm/storage/jani/TemplateEdgeContainer.cpp b/src/storm/storage/jani/TemplateEdgeContainer.cpp
index 81ce8f874..ee83d9f6a 100644
--- a/src/storm/storage/jani/TemplateEdgeContainer.cpp
+++ b/src/storm/storage/jani/TemplateEdgeContainer.cpp
@@ -3,10 +3,10 @@
 
 namespace storm {
     namespace jani {
-        TemplateEdgeContainer::TemplateEdgeContainer(TemplateEdgeContainer const &other) {
+        TemplateEdgeContainer::TemplateEdgeContainer(TemplateEdgeContainer const &other) : std::unordered_set<std::shared_ptr<TemplateEdge>>() {
             for (auto const& te : other) {
                 this->insert(std::make_shared<TemplateEdge>(*te));
             }
         }
     }
-}
\ No newline at end of file
+}