diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/Ranges/XLRangeBase.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/Ranges/XLRangeBase.cs
index 91b640d..dda7b7a 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/Ranges/XLRangeBase.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/Ranges/XLRangeBase.cs
@@ -1359,9 +1359,13 @@
         public IXLRangeRows RowsUsed(Boolean includeFormats = false)
         {
             var rows = new XLRangeRows();
-            foreach(var row in RangeUsed(includeFormats).Rows().Where(r=>!r.IsEmpty(includeFormats)))
+            var rangeUsed = RangeUsed(includeFormats);
+            if (rangeUsed != null)
             {
-                rows.Add(row);
+                foreach (var row in rangeUsed.Rows().Where(r => !r.IsEmpty(includeFormats)))
+                {
+                    rows.Add(row);
+                }
             }
             return rows;
         }
@@ -1369,9 +1373,13 @@
         public IXLRangeColumns ColumnsUsed(Boolean includeFormats = false)
         {
             var columns = new XLRangeColumns();
-            foreach(var column in RangeUsed(includeFormats).Columns().Where(r=>!r.IsEmpty(includeFormats)))
+            var rangeUsed = RangeUsed(includeFormats);
+            if (rangeUsed != null)
             {
-                columns.Add(column);
+                foreach (var column in rangeUsed.Columns().Where(r => !r.IsEmpty(includeFormats)))
+                {
+                    columns.Add(column);
+                }
             }
             return columns;
         }
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorksheet.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorksheet.cs
index b8490e4..4de56a9 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorksheet.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorksheet.cs
@@ -1206,7 +1206,7 @@
         public new IXLRows RowsUsed(Boolean includeFormats = false)
         {
             var rows = new XLRows(Worksheet);
-            foreach (var row in RangeUsed(includeFormats).Rows().Where(r => !r.IsEmpty(includeFormats)))
+            foreach (var row in base.RowsUsed(includeFormats))
             {
                 rows.Add(Row(row.RowNumber()));
             }
@@ -1216,7 +1216,7 @@
         public new IXLColumns ColumnsUsed(Boolean includeFormats = false)
         {
             var columns = new XLColumns(Worksheet);
-            foreach (var column in RangeUsed(includeFormats).Columns().Where(r => !r.IsEmpty(includeFormats)))
+            foreach (var column in base.ColumnsUsed(includeFormats))
             {
                 columns.Add(Column(column.ColumnNumber()));
             }
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Excel/Columns/ColumnsTests.cs b/ClosedXML/ClosedXML/ClosedXML_Tests/Excel/Columns/ColumnsTests.cs
index 67bf566..f5ec5c6 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Excel/Columns/ColumnsTests.cs
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Excel/Columns/ColumnsTests.cs
@@ -1,5 +1,6 @@
 using ClosedXML.Excel;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System;
 
 namespace ClosedXML_Tests.Excel
 {
@@ -25,5 +26,20 @@
             Assert.AreEqual("A2:A3", fromRange.RangeAddress.ToStringRelative());
         }
 
+        [TestMethod]
+        public void NoColumnsUsed()
+        {
+            var wb = new XLWorkbook();
+            var ws = wb.Worksheets.Add("Sheet1");
+            Int32 count = 0;
+
+            foreach (var row in ws.ColumnsUsed())
+                count++;
+
+            foreach (var row in ws.Range("A1:C3").ColumnsUsed())
+                count++;
+
+            Assert.AreEqual(0, count);
+        }
     }
 }
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Excel/Rows/RowsTests.cs b/ClosedXML/ClosedXML/ClosedXML_Tests/Excel/Rows/RowsTests.cs
index ca96498..3023f0a 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Excel/Rows/RowsTests.cs
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Excel/Rows/RowsTests.cs
@@ -1,5 +1,6 @@
 using ClosedXML.Excel;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System;
 
 namespace ClosedXML_Tests.Excel
 {
@@ -25,5 +26,21 @@
             Assert.AreEqual("B1:C1", fromRange.RangeAddress.ToStringRelative());
         }
 
+
+        [TestMethod]
+        public void NoRowsUsed()
+        {
+            var wb = new XLWorkbook();
+            var ws = wb.Worksheets.Add("Sheet1");
+            Int32 count = 0;
+
+            foreach (var row in ws.RowsUsed())
+                count++;
+            
+            foreach (var row in ws.Range("A1:C3").RowsUsed())
+                count++;
+
+            Assert.AreEqual(0, count);
+        }
     }
 }