diff --git a/src/main/java/appeng/entity/EntityChargedQuartz.java b/src/main/java/appeng/entity/EntityChargedQuartz.java
index de474343..a12a7e51 100644
--- a/src/main/java/appeng/entity/EntityChargedQuartz.java
+++ b/src/main/java/appeng/entity/EntityChargedQuartz.java
@@ -77,7 +77,7 @@ public final class EntityChargedQuartz extends AEBaseEntityItem
 		this.delay++;
 
 		final int j = MathHelper.floor_double( this.posX );
-		final int i = MathHelper.floor_double( this.posY );
+		final int i = MathHelper.floor_double( (this.getEntityBoundingBox().minY + this.getEntityBoundingBox().maxY) / 2.0D );
 		final int k = MathHelper.floor_double( this.posZ );
 
 		IBlockState state = this.worldObj.getBlockState( new BlockPos( j, i, k ) );
diff --git a/src/main/java/appeng/entity/EntityGrowingCrystal.java b/src/main/java/appeng/entity/EntityGrowingCrystal.java
index 1b77a77e..65a68a1c 100644
--- a/src/main/java/appeng/entity/EntityGrowingCrystal.java
+++ b/src/main/java/appeng/entity/EntityGrowingCrystal.java
@@ -70,7 +70,7 @@ public final class EntityGrowingCrystal extends EntityItem
 		if( gc instanceof IGrowableCrystal ) // if it changes this just stops being an issue...
 		{
 			final int j = MathHelper.floor_double( this.posX );
-			final int i = MathHelper.floor_double( this.posY );
+			final int i = MathHelper.floor_double( (this.getEntityBoundingBox().minY + this.getEntityBoundingBox().maxY) / 2.0D );
 			final int k = MathHelper.floor_double( this.posZ );
 
 			final IBlockState state = this.worldObj.getBlockState( new BlockPos( j, i, k ) );