diff --git a/plugins/remotefortressreader.cpp b/plugins/remotefortressreader.cpp
index ee78a2a77..a093f2dfc 100644
--- a/plugins/remotefortressreader.cpp
+++ b/plugins/remotefortressreader.cpp
@@ -1357,7 +1357,7 @@ void Copyspatters(df::map_block * DfBlock, RemoteFortressReader::MapBlock * NetB
 			auto send_pile = NetBlock->add_spatterpile();
 			for each (auto mat in materials)
 			{
-				if (mat->amount == 0)
+				if (mat->amount[xx][yy] == 0)
 					continue;
 				auto send_spat = send_pile->add_spatters();
 				send_spat->set_state((MatterState)mat->mat_state);
@@ -1368,7 +1368,7 @@ void Copyspatters(df::map_block * DfBlock, RemoteFortressReader::MapBlock * NetB
 			}
 			for each (auto item in items)
 			{
-				if (item->amount == 0)
+				if (item->amount[xx][yy] == 0)
 					continue;
 				auto send_spat = send_pile->add_spatters();
 				auto send_mat = send_spat->mutable_material();