diff --git a/GameData/DMTanks/SphericalTanks/MM_RealFuels.cfg b/GameData/DMTanks/SphericalTanks/MM_RealFuels.cfg
index 04acc44..53bce7e 100644
--- a/GameData/DMTanks/SphericalTanks/MM_RealFuels.cfg
+++ b/GameData/DMTanks/SphericalTanks/MM_RealFuels.cfg
@@ -7,7 +7,7 @@
 
 		name = ModuleFuelTanks
 
-		volume = 622.5
+		volume = 612.5
 		type = Cryogenic
 		typeAvailable = Default 
 		typeAvailable = Cryogenic