diff --git a/src/main/java/io/airlift/tpch/LineItem.java b/src/main/java/io/airlift/tpch/LineItem.java
index 3026e17..52d5c53 100644
--- a/src/main/java/io/airlift/tpch/LineItem.java
+++ b/src/main/java/io/airlift/tpch/LineItem.java
@@ -102,11 +102,16 @@ public long getLineNumber()
         return lineNumber;
     }
 
-    public long getQuantity()
+    public double getQuantity()
     {
         return quantity;
     }
 
+    public long getQuantityUnscaled()
+    {
+        return quantity * 100;
+    }
+
     public double getExtendedPrice()
     {
         return extendedPrice / 100.0;
diff --git a/src/main/java/io/airlift/tpch/LineItemColumn.java b/src/main/java/io/airlift/tpch/LineItemColumn.java
index 4bde5bf..7ac242e 100644
--- a/src/main/java/io/airlift/tpch/LineItemColumn.java
+++ b/src/main/java/io/airlift/tpch/LineItemColumn.java
@@ -58,12 +58,17 @@ public long getLong(LineItem lineItem)
                 }
             },
 
-    QUANTITY("quantity", BIGINT)
+    QUANTITY("quantity", DOUBLE)
             {
-                public long getLong(LineItem lineItem)
+                public double getDouble(LineItem lineItem)
                 {
                     return lineItem.getQuantity();
                 }
+
+                public long getLong(LineItem lineItem)
+                {
+                    return lineItem.getQuantityUnscaled();
+                }
             },
 
     @SuppressWarnings("SpellCheckingInspection")