diff --git a/include/ifx.h b/include/ifx.h
index 5f0752288e..4675d2dd30 100644
--- a/include/ifx.h
+++ b/include/ifx.h
@@ -73,7 +73,7 @@ class IFxAction
     // Fade in the RGB of the light or model over <time> seconds
     virtual float getFadeInTimeInSeconds() = 0;
 
-    // Fade out the light/model. Ignored if fadeIn is set, you can use 2 seperate
+    // Fade out the light/model. Ignored if fadeIn is set, you can use 2 separate
     // actions (tied together with uselight) if you want a light to fade in and out.
     virtual float getFadeOutTimeInSeconds() = 0;
 
diff --git a/install/scripts/test.py b/install/scripts/test.py
index 49acacee48..3fe83d2036 100644
--- a/install/scripts/test.py
+++ b/install/scripts/test.py
@@ -30,50 +30,52 @@ def visit(self, decl):
 # FX interface
 fx = GlobalFxManager.findFx("fx/sparks")
 
-# An FX declaration inherits all the Declaration methods and properties
-print("Name: " + fx.getDeclName())
-print("Type: " + str(fx.getDeclType()))
-print("Defined in: " + str(fx.getDeclFilePath()))
-print("Definition: " + fx.getBlockSyntax().contents)
-
-print("Number of actions: " + str(fx.getNumActions()))
-print("Action with Index 1 (the second):")
-action = fx.getAction(1)
-print("Action #1 has Type: " + str(action.getActionType()))
-print("Action #1 has Name: " + str(action.getName()))
-print("Action #1 has Delay: " + str(action.getDelayInSeconds()))
-print("Action #1 has Duration: " + str(action.getDurationInSeconds()))
-print("Action #1 has IgnoreMaster: " + str(action.getIgnoreMaster()))
-print("Action #1 has ShakeTime: " + str(action.getShakeTimeInSeconds()))
-print("Action #1 has ShakeAmplitude: " + str(action.getShakeAmplitude()))
-print("Action #1 has ShakeDistance: " + str(action.getShakeDistance()))
-print("Action #1 has ShakeFalloff: " + str(action.getShakeFalloff()))
-print("Action #1 has ShakeImpulse: " + str(action.getShakeImpulse()))
-print("Action #1 has NoShadows: " + str(action.getNoShadows()))
-print("Action #1 has FireSiblingAction: " + str(action.getFireSiblingAction()))
-print("Action #1 has RandomDelay: " + str(action.getRandomDelay()))
-print("Action #1 has Rotate: " + str(action.getRotate()))
-print("Action #1 has TrackOrigin: " + str(action.getTrackOrigin()))
-print("Action #1 has Restart: " + str(action.getRestart()))
-print("Action #1 has FadeInTimeInSeconds: " + str(action.getFadeInTimeInSeconds()))
-print("Action #1 has FadeOutTimeInSeconds: " + str(action.getFadeOutTimeInSeconds()))
-print("Action #1 has DecalSize: " + str(action.getDecalSize()))
-print("Action #1 has Offset: " + str(action.getOffset()))
-print("Action #1 has Axis: " + str(action.getAxis()))
-print("Action #1 has Angle: " + str(action.getAngle()))
-print("Action #1 has UseLight: " + str(action.getUseLight()))
-print("Action #1 has UseModel: " + str(action.getUseModel()))
-print("Action #1 has AttachLight: " + str(action.getAttachLight()))
-print("Action #1 has AttachEntity: " + str(action.getAttachEntity()))
-print("Action #1 has LaunchProjectileDef: " + str(action.getLaunchProjectileDef()))
-print("Action #1 has LightMaterialName: " + str(action.getLightMaterialName()))
-print("Action #1 has LightRgbColour: " + str(action.getLightRgbColour()))
-print("Action #1 has LightRadius: " + str(action.getLightRadius()))
-print("Action #1 has ModelName: " + str(action.getModelName()))
-print("Action #1 has DecalMaterialName: " + str(action.getDecalMaterialName()))
-print("Action #1 has ParticleTrackVelocity: " + str(action.getParticleTrackVelocity()))
-print("Action #1 has SoundShaderName: " + str(action.getSoundShaderName()))
-print("Action #1 has ShockwaveDefName: " + str(action.getShockwaveDefName()))
+if not fx.isNull():
+    # An FX declaration inherits all the Declaration methods and properties
+    print("Name: " + fx.getDeclName())
+    print("Type: " + str(fx.getDeclType()))
+    print("Defined in: " + str(fx.getDeclFilePath()))
+    print("Definition: " + fx.getBlockSyntax().contents)
+
+    print("Number of actions: " + str(fx.getNumActions()))
+    
+    action = fx.getAction(1)
+    print("Action with Index 1 (this is the second):")
+    print("Action #1 has Type: " + str(action.getActionType()))
+    print("Action #1 has Name: " + str(action.getName()))
+    print("Action #1 has Delay: " + str(action.getDelayInSeconds()))
+    print("Action #1 has Duration: " + str(action.getDurationInSeconds()))
+    print("Action #1 has IgnoreMaster: " + str(action.getIgnoreMaster()))
+    print("Action #1 has ShakeTime: " + str(action.getShakeTimeInSeconds()))
+    print("Action #1 has ShakeAmplitude: " + str(action.getShakeAmplitude()))
+    print("Action #1 has ShakeDistance: " + str(action.getShakeDistance()))
+    print("Action #1 has ShakeFalloff: " + str(action.getShakeFalloff()))
+    print("Action #1 has ShakeImpulse: " + str(action.getShakeImpulse()))
+    print("Action #1 has NoShadows: " + str(action.getNoShadows()))
+    print("Action #1 has FireSiblingAction: " + str(action.getFireSiblingAction()))
+    print("Action #1 has RandomDelay: " + str(action.getRandomDelay()))
+    print("Action #1 has Rotate: " + str(action.getRotate()))
+    print("Action #1 has TrackOrigin: " + str(action.getTrackOrigin()))
+    print("Action #1 has Restart: " + str(action.getRestart()))
+    print("Action #1 has FadeInTimeInSeconds: " + str(action.getFadeInTimeInSeconds()))
+    print("Action #1 has FadeOutTimeInSeconds: " + str(action.getFadeOutTimeInSeconds()))
+    print("Action #1 has DecalSize: " + str(action.getDecalSize()))
+    print("Action #1 has Offset: " + str(action.getOffset()))
+    print("Action #1 has Axis: " + str(action.getAxis()))
+    print("Action #1 has Angle: " + str(action.getAngle()))
+    print("Action #1 has UseLight: " + str(action.getUseLight()))
+    print("Action #1 has UseModel: " + str(action.getUseModel()))
+    print("Action #1 has AttachLight: " + str(action.getAttachLight()))
+    print("Action #1 has AttachEntity: " + str(action.getAttachEntity()))
+    print("Action #1 has LaunchProjectileDef: " + str(action.getLaunchProjectileDef()))
+    print("Action #1 has LightMaterialName: " + str(action.getLightMaterialName()))
+    print("Action #1 has LightRgbColour: " + str(action.getLightRgbColour()))
+    print("Action #1 has LightRadius: " + str(action.getLightRadius()))
+    print("Action #1 has ModelName: " + str(action.getModelName()))
+    print("Action #1 has DecalMaterialName: " + str(action.getDecalMaterialName()))
+    print("Action #1 has ParticleTrackVelocity: " + str(action.getParticleTrackVelocity()))
+    print("Action #1 has SoundShaderName: " + str(action.getSoundShaderName()))
+    print("Action #1 has ShockwaveDefName: " + str(action.getShockwaveDefName()))
 
 # Create a new material
 myOwnMaterial = GlobalDeclarationManager.findOrCreateDeclaration(Declaration.Type.Material, "textures/myown_material")
diff --git a/plugins/script/interfaces/FxManagerInterface.cpp b/plugins/script/interfaces/FxManagerInterface.cpp
index 25d2574a99..acccd440d2 100644
--- a/plugins/script/interfaces/FxManagerInterface.cpp
+++ b/plugins/script/interfaces/FxManagerInterface.cpp
@@ -68,6 +68,7 @@ void FxManagerInterface::registerInterface(py::module& scope, py::dict& globals)
 	// Add the Fx Declaration interface
 	py::class_<ScriptFxDeclaration, ScriptDeclaration> fxDeclaration(scope, "Fx");
     fxDeclaration.def(py::init<const fx::IFxDeclaration::Ptr&>());
+    fxDeclaration.def("isNull", &ScriptFxDeclaration::isNull);
     fxDeclaration.def("getBindTo", &ScriptFxDeclaration::getBindTo);
     fxDeclaration.def("getNumActions", &ScriptFxDeclaration::getNumActions);
     fxDeclaration.def("getAction", &ScriptFxDeclaration::getAction);
diff --git a/plugins/script/interfaces/FxManagerInterface.h b/plugins/script/interfaces/FxManagerInterface.h
index 4ad9feb24a..d56323122b 100644
--- a/plugins/script/interfaces/FxManagerInterface.h
+++ b/plugins/script/interfaces/FxManagerInterface.h
@@ -204,6 +204,11 @@ class ScriptFxDeclaration :
         _fx(fx)
     {}
 
+    bool isNull()
+    {
+        return !_fx;
+    }
+
     std::size_t getNumActions()
     {
         return _fx ? _fx->getNumActions() : 0;