diff --git a/src/script/api/script_asyncmode.cpp b/src/script/api/script_asyncmode.cpp
index afad59187d..6a2128febc 100644
--- a/src/script/api/script_asyncmode.cpp
+++ b/src/script/api/script_asyncmode.cpp
@@ -48,8 +48,8 @@ ScriptAsyncMode::ScriptAsyncMode(HSQUIRRELVM vm)
 void ScriptAsyncMode::FinalRelease()
 {
 	if (this->GetDoCommandAsyncModeInstance() != this) {
-		/* Ignore this error if the script already died. */
-		if (!ScriptObject::GetActiveInstance()->IsDead()) {
+		/* Ignore this error if the script is not alive. */
+		if (ScriptObject::GetActiveInstance()->IsAlive()) {
 			throw Script_FatalError("Asyncmode object was removed while it was not the latest *Mode object created.");
 		}
 	}
diff --git a/src/script/api/script_execmode.cpp b/src/script/api/script_execmode.cpp
index 6a34288cb2..007dd1ef58 100644
--- a/src/script/api/script_execmode.cpp
+++ b/src/script/api/script_execmode.cpp
@@ -31,8 +31,8 @@ ScriptExecMode::ScriptExecMode()
 void ScriptExecMode::FinalRelease()
 {
 	if (this->GetDoCommandModeInstance() != this) {
-		/* Ignore this error if the script already died. */
-		if (!ScriptObject::GetActiveInstance()->IsDead()) {
+		/* Ignore this error if the script is not alive. */
+		if (ScriptObject::GetActiveInstance()->IsAlive()) {
 			throw Script_FatalError("ScriptExecMode object was removed while it was not the latest *Mode object created.");
 		}
 	}
diff --git a/src/script/api/script_testmode.cpp b/src/script/api/script_testmode.cpp
index 70055586fe..a38deff548 100644
--- a/src/script/api/script_testmode.cpp
+++ b/src/script/api/script_testmode.cpp
@@ -31,8 +31,8 @@ ScriptTestMode::ScriptTestMode()
 void ScriptTestMode::FinalRelease()
 {
 	if (this->GetDoCommandModeInstance() != this) {
-		/* Ignore this error if the script already died. */
-		if (!ScriptObject::GetActiveInstance()->IsDead()) {
+		/* Ignore this error if the script is not alive. */
+		if (ScriptObject::GetActiveInstance()->IsAlive()) {
 			throw Script_FatalError("Testmode object was removed while it was not the latest *Mode object created.");
 		}
 	}
diff --git a/src/script/script_instance.hpp b/src/script/script_instance.hpp
index 8273b67ed0..342cb822b6 100644
--- a/src/script/script_instance.hpp
+++ b/src/script/script_instance.hpp
@@ -152,6 +152,11 @@ public:
 	 */
 	inline bool IsDead() const { return this->is_dead; }
 
+	/**
+	 * Return whether the script is alive.
+	 */
+	inline bool IsAlive() const { return !this->IsDead() && !this->in_shutdown; }
+
 	/**
 	 * Call the script Save function and save all data in the savegame.
 	 */