diff --git a/Systems/fuel.xml b/Systems/fuel.xml
index 44881c16..46372601 100644
--- a/Systems/fuel.xml
+++ b/Systems/fuel.xml
@@ -76,17 +76,19 @@
 	</channel>
 
 	<channel name="Engine 1 Pipes">
-		<summer name="tank0 and 1 to tank3">
+		<summer name="tank0 tank1 tank 2 to tank3">
 			<input>fuel/from-tank0-to-tank3</input>
 			<input>fuel/from-tank1-to-tank3</input>
+			<input>fuel/from-tank2-to-tank3</input>
 			<output>propulsion/tank[3]/external-flow-rate-pps</output>
 		</summer>
 	</channel>
 
 	<channel name="Engine 2 Pipes">
-		<summer name="tank1 and 2 to tank4">
+		<summer name="tank0 tank1 tank 2 to tank4">
 			<input>fuel/from-tank2-to-tank4</input>
 			<input>fuel/from-tank1-to-tank4</input>
+			<input>fuel/from-tank0-to-tank4</input>
 			<output>propulsion/tank[4]/external-flow-rate-pps</output>
 		</summer>
 	</channel>
@@ -94,6 +96,7 @@
     <channel name="Total PPS">
         <summer name="fuel/tank0-flow-rate">
             <input>-fuel/from-tank0-to-tank3</input>
+            <input>-fuel/from-tank0-to-tank4</input>
             <output>propulsion/tank[0]/external-flow-rate-pps</output>
         </summer>
 
@@ -105,6 +108,7 @@
 
         <summer name="fuel/tank2-flow-rate">
             <input>-fuel/from-tank2-to-tank4</input>
+            <input>-fuel/from-tank2-to-tank3</input>
             <output>propulsion/tank[2]/external-flow-rate-pps</output>
         </summer>
     </channel>
diff --git a/revision.txt b/revision.txt
index beae4516..7f966954 100644
--- a/revision.txt
+++ b/revision.txt
@@ -1 +1 @@
-1524
\ No newline at end of file
+1525
\ No newline at end of file