diff --git a/src/IW4/Assets/FxEffectDef.cpp b/src/IW4/Assets/FxEffectDef.cpp
index 06700b5..85c2d92 100644
--- a/src/IW4/Assets/FxEffectDef.cpp
+++ b/src/IW4/Assets/FxEffectDef.cpp
@@ -225,6 +225,7 @@ namespace ZoneTool
 			{
 				if (data->markArray)
 				{
+					buf->align(3);
 					auto destvisuals = buf->write(data->markArray, def->visualCount);
 
 					for (int i = 0; i < def->visualCount; i++)
@@ -242,6 +243,7 @@ namespace ZoneTool
 			}
 			else if (def->visualCount > 1)
 			{
+				buf->align(3);
 				auto* vis = buf->write(data->array, def->visualCount);
 
 				for (auto i = 0; i < def->visualCount; i++)
@@ -391,7 +393,7 @@ namespace ZoneTool
 			for (auto i = 0; i < elem_def_count; i++)
 			{
 				memcpy(&iw5_fx->elemDefs[i], &asset->elemDefs[i], sizeof IW4::FxElemDef);
-				iw5_fx->elemDefs[i].pad = 0;
+				iw5_fx->elemDefs[i].randomSeed = 0;
 			}
 			
 			IW5::IFxEffectDef::dump(iw5_fx);
diff --git a/src/IW5/Assets/FxEffectDef.cpp b/src/IW5/Assets/FxEffectDef.cpp
index ebf9065..9cd81c5 100644
--- a/src/IW5/Assets/FxEffectDef.cpp
+++ b/src/IW5/Assets/FxEffectDef.cpp
@@ -291,12 +291,13 @@ namespace ZoneTool
 		void IFxEffectDef::write_fx_elem_def_visuals(IZone* zone, ZoneBuffer* buf, FxElemDef* def,
 		                                          FxElemDefVisuals* dest)
 		{
-			auto data = dest;
+			auto* data = dest;
 
 			if (def->elemType == FX_ELEM_TYPE_DECAL)
 			{
 				if (data->markArray)
 				{
+					buf->align(3);
 					auto destvisuals = buf->write(data->markArray, def->visualCount);
 
 					for (int i = 0; i < def->visualCount; i++)
@@ -314,6 +315,7 @@ namespace ZoneTool
 			}
 			else if (def->visualCount > 1)
 			{
+				buf->align(3);
 				auto vis = buf->write(data->array, def->visualCount);
 
 				for (int i = 0; i < def->visualCount; i++)
diff --git a/src/IW5/Structs.hpp b/src/IW5/Structs.hpp
index cdca4c4..fddadce 100644
--- a/src/IW5/Structs.hpp
+++ b/src/IW5/Structs.hpp
@@ -2016,7 +2016,7 @@ namespace ZoneTool
 			char lightingFrac;
 			char useItemClip;
 			char fadeInfo;
-			int pad; // IW5 only
+			int randomSeed; // IW5 only
 
 			Json ToJson()
 			{