diff --git a/src/net/bdew/lib/ApiReporter.scala b/src/net/bdew/lib/ApiReporter.scala
index 5f44a22..9b0a2aa 100644
--- a/src/net/bdew/lib/ApiReporter.scala
+++ b/src/net/bdew/lib/ApiReporter.scala
@@ -10,6 +10,7 @@
 package net.bdew.lib
 
 import java.util
+import java.util.Locale
 
 import cpw.mods.fml.common.{ICrashCallable, ModAPIManager, ModContainer}
 
@@ -20,7 +21,7 @@ object ApiReporter extends ICrashCallable {
     val mods = new util.ArrayList[ModContainer]
     val nameLookup = new util.HashMap[String, ModContainer]
     ModAPIManager.INSTANCE.injectAPIModContainers(mods, nameLookup)
-    (for (mod <- mods.sortBy(_.getModId.toLowerCase)) yield
+    (for (mod <- mods.sortBy(_.getModId.toLowerCase(Locale.US))) yield
       "\t\t* %s (%s) from %s".format(mod.getModId, mod.getVersion,
         if (mod.getSource.isDirectory)
           mod.getSource
diff --git a/src/net/bdew/lib/Misc.scala b/src/net/bdew/lib/Misc.scala
index 9d6083e..d133acf 100644
--- a/src/net/bdew/lib/Misc.scala
+++ b/src/net/bdew/lib/Misc.scala
@@ -10,6 +10,7 @@
 package net.bdew.lib
 
 import java.util
+import java.util.Locale
 
 import cpw.mods.fml.common.registry.GameRegistry
 import cpw.mods.fml.common.versioning.VersionParser
@@ -164,5 +165,11 @@ object Misc {
     res
   }
 
+  def iconName(domain: String, name: String, path: String*) =
+    if (path.isEmpty)
+      "%s:%s".format(domain, name).toLowerCase(Locale.US)
+    else
+      "%s:%s/%s".format(domain, name, path.mkString("/")).toLowerCase(Locale.US)
+
 }
 
diff --git a/src/net/bdew/lib/block/SimpleBlock.scala b/src/net/bdew/lib/block/SimpleBlock.scala
index 2eb00b9..0e22cc6 100644
--- a/src/net/bdew/lib/block/SimpleBlock.scala
+++ b/src/net/bdew/lib/block/SimpleBlock.scala
@@ -15,6 +15,8 @@ import net.minecraft.block.Block
 import net.minecraft.block.material.Material
 import net.minecraft.client.renderer.texture.IIconRegister
 
+import scala.language.implicitConversions
+
 trait NamedBlock extends Block {
   def name: String
 }
@@ -25,6 +27,6 @@ class SimpleBlock(val name: String, material: Material) extends Block(material)
 
   @SideOnly(Side.CLIENT)
   override def registerBlockIcons(reg: IIconRegister) {
-    blockIcon = reg.registerIcon(modId + ":" + name.toLowerCase)
+    blockIcon = reg.registerIcon(Misc.iconName(modId, name))
   }
 }
diff --git a/src/net/bdew/lib/covers/TileCoverable.scala b/src/net/bdew/lib/covers/TileCoverable.scala
index 33b4847..b85a7d4 100644
--- a/src/net/bdew/lib/covers/TileCoverable.scala
+++ b/src/net/bdew/lib/covers/TileCoverable.scala
@@ -9,6 +9,8 @@
 
 package net.bdew.lib.covers
 
+import java.util.Locale
+
 import net.bdew.lib.Misc
 import net.bdew.lib.data.DataSlotItemStack
 import net.bdew.lib.data.base.{TileDataSlots, UpdateKind}
@@ -17,7 +19,7 @@ import net.minecraftforge.common.util.ForgeDirection
 
 trait TileCoverable extends TileDataSlots {
   val covers = (ForgeDirection.VALID_DIRECTIONS map { x =>
-    x -> DataSlotItemStack("cover_" + x.toString.toLowerCase, this).setUpdate(UpdateKind.SAVE, UpdateKind.WORLD, UpdateKind.RENDER)
+    x -> DataSlotItemStack("cover_" + x.toString.toLowerCase(Locale.US), this).setUpdate(UpdateKind.SAVE, UpdateKind.WORLD, UpdateKind.RENDER)
   }).toMap
 
   /**
diff --git a/src/net/bdew/lib/items/SimpleItem.scala b/src/net/bdew/lib/items/SimpleItem.scala
index 1381279..e6afb25 100644
--- a/src/net/bdew/lib/items/SimpleItem.scala
+++ b/src/net/bdew/lib/items/SimpleItem.scala
@@ -24,6 +24,6 @@ class SimpleItem(val name: String) extends Item with NamedItem {
 
   @SideOnly(Side.CLIENT)
   override def registerIcons(reg: IIconRegister) {
-    itemIcon = reg.registerIcon(modId + ":" + name.toLowerCase)
+    itemIcon = reg.registerIcon(Misc.iconName(modId, name))
   }
 }
diff --git a/src/net/bdew/lib/multiblock/gui/WidgetOutputIcon.scala b/src/net/bdew/lib/multiblock/gui/WidgetOutputIcon.scala
index ac5faf9..a44c156 100644
--- a/src/net/bdew/lib/multiblock/gui/WidgetOutputIcon.scala
+++ b/src/net/bdew/lib/multiblock/gui/WidgetOutputIcon.scala
@@ -9,6 +9,8 @@
 
 package net.bdew.lib.multiblock.gui
 
+import java.util.Locale
+
 import net.bdew.lib.Misc
 import net.bdew.lib.gui.widgets.Widget
 import net.bdew.lib.gui.{Point, Rect, Texture}
@@ -43,7 +45,7 @@ class WidgetOutputIcon(p: Point, te: CIOutputFaces, output: Int) extends Widget
       val bf = faces(output)
       bf.origin.block(te.getWorldObj) map { block =>
         tip += block.getLocalizedName
-        tip += "%d, %d, %d - %s".format(bf.x, bf.y, bf.z, Misc.toLocal("bdlib.multiblock.face." + bf.face.toString.toLowerCase))
+        tip += "%d, %d, %d - %s".format(bf.x, bf.y, bf.z, Misc.toLocal("bdlib.multiblock.face." + bf.face.toString.toLowerCase(Locale.US)))
       }
     } else {
       tip += Misc.toLocal("bdlib.multiblock.disabled")
diff --git a/src/net/bdew/lib/multiblock/gui/WidgetRSConfig.scala b/src/net/bdew/lib/multiblock/gui/WidgetRSConfig.scala
index 5c61b90..cab66b2 100644
--- a/src/net/bdew/lib/multiblock/gui/WidgetRSConfig.scala
+++ b/src/net/bdew/lib/multiblock/gui/WidgetRSConfig.scala
@@ -9,6 +9,8 @@
 
 package net.bdew.lib.multiblock.gui
 
+import java.util.Locale
+
 import net.bdew.lib.Misc
 import net.bdew.lib.gui.widgets.{WidgetButtonIcon, WidgetSubContainer}
 import net.bdew.lib.gui.{Point, Rect}
@@ -37,7 +39,7 @@ class WidgetRSConfig(te: CIOutputFaces, output: Int, p: Point) extends WidgetSub
 
   override def draw(mouse: Point) {
     bt.icon = icons(cfg.rsMode)
-    bt.hover = Misc.toLocal("bdlib.rsmode." + cfg.rsMode.toString.toLowerCase)
+    bt.hover = Misc.toLocal("bdlib.rsmode." + cfg.rsMode.toString.toLowerCase(Locale.US))
     super.draw(mouse)
   }
 
diff --git a/src/net/bdew/lib/recipes/gencfg/ConfigSection.scala b/src/net/bdew/lib/recipes/gencfg/ConfigSection.scala
index 1846d41..e6ebdb7 100644
--- a/src/net/bdew/lib/recipes/gencfg/ConfigSection.scala
+++ b/src/net/bdew/lib/recipes/gencfg/ConfigSection.scala
@@ -9,6 +9,8 @@
 
 package net.bdew.lib.recipes.gencfg
 
+import java.util.Locale
+
 import net.bdew.lib.gui.Color
 
 abstract class ConfigEntry
@@ -43,7 +45,7 @@ case class ConfigSection(pfx: String = "") extends ConfigEntry with Iterable[(St
   def getSection(id: String) = getRaw(id, classOf[ConfigSection])
 
   final val trueVals = Set("y", "true", "yes", "on")
-  def getBoolean(id: String) = trueVals.contains(getString(id).toLowerCase)
+  def getBoolean(id: String) = trueVals.contains(getString(id).toLowerCase(Locale.US))
 
   def hasValue(id: String) = raw.isDefinedAt(id)
 
diff --git a/src/net/bdew/lib/sensors/multiblock/SensorOutput.scala b/src/net/bdew/lib/sensors/multiblock/SensorOutput.scala
index 72697b9..ddb14ff 100644
--- a/src/net/bdew/lib/sensors/multiblock/SensorOutput.scala
+++ b/src/net/bdew/lib/sensors/multiblock/SensorOutput.scala
@@ -9,6 +9,8 @@
 
 package net.bdew.lib.sensors.multiblock
 
+import java.util.Locale
+
 import cpw.mods.fml.relauncher.{Side, SideOnly}
 import net.bdew.lib.Misc
 import net.bdew.lib.gui._
@@ -102,7 +104,7 @@ trait SensorOutput extends GenericSensorType[TileEntity, Boolean] {
         val bf = faces(output)
         bf.origin.block(te.getWorldObj) foreach { block =>
           list :+= block.getLocalizedName
-          list :+= "%d, %d, %d - %s".format(bf.x, bf.y, bf.z, Misc.toLocal("bdlib.multiblock.face." + bf.face.toString.toLowerCase))
+          list :+= "%d, %d, %d - %s".format(bf.x, bf.y, bf.z, Misc.toLocal("bdlib.multiblock.face." + bf.face.toString.toLowerCase(Locale.US)))
         }
       }
       list