diff --git a/CMakeLists.txt b/CMakeLists.txt
index 37a60046..df37a046 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,7 +12,7 @@ set(DEPS_DIR ${DEPS_DIR} "${CMAKE_SOURCE_DIR}/ref")
 project("eu07")
 
 #set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fsanitize=undefined")
-#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fsanitize=undefined")
+#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fsanitize=undefined -Wformat")
 #set(CMAKE_LD_FLAGS "${CMAKE_LD_FLAGS} -fsanitize=address -fsanitize=undefined")
 
 set(CMAKE_CXX_STANDARD 17)
diff --git a/Globals.cpp b/Globals.cpp
index 453f8a4b..178173e7 100644
--- a/Globals.cpp
+++ b/Globals.cpp
@@ -1166,6 +1166,10 @@ global_settings::ConfigParse(cParser &Parser) {
             Parser.getTokens(1);
             Parser >> map_manualswitchcontrol;
         }
+        else if (token == "prepend_scn") {
+            Parser.getTokens(1);
+            Parser >> prepend_scn;
+        }
 /*
 		else if (token == "crashdamage") {
 			Parser.getTokens(1);
diff --git a/Globals.h b/Globals.h
index 170ba1aa..e27d6e64 100644
--- a/Globals.h
+++ b/Globals.h
@@ -258,6 +258,7 @@ struct global_settings {
 	float map_highlight_distance = 3000.0f;
 
 	std::string exec_on_exit;
+    std::string prepend_scn;
 
 	struct extraviewport_config {
 		std::string monitor;
diff --git a/simulationstateserializer.cpp b/simulationstateserializer.cpp
index 17191f9a..359cb86b 100644
--- a/simulationstateserializer.cpp
+++ b/simulationstateserializer.cpp
@@ -91,6 +91,10 @@ state_serializer::deserialize_begin( std::string const &Scenariofile ) {
 		state->functionmap.emplace( function.first, std::bind( function.second, this, std::ref( state->input ), std::ref( state->scratchpad ) ) );
 	}
 
+    if (!Global.prepend_scn.empty()) {
+        state->input.injectString(Global.prepend_scn);
+    }
+
 	return state;
 }