diff --git a/src/java/org/apache/poi/ss/formula/ptg/AreaPtgBase.java b/src/java/org/apache/poi/ss/formula/ptg/AreaPtgBase.java
index 4df331444..5b77b09fe 100644
--- a/src/java/org/apache/poi/ss/formula/ptg/AreaPtgBase.java
+++ b/src/java/org/apache/poi/ss/formula/ptg/AreaPtgBase.java
@@ -71,7 +71,7 @@ public abstract class AreaPtgBase extends OperandPtg implements AreaI {
 	protected AreaPtgBase(int firstRow, int lastRow, int firstColumn, int lastColumn,
 			boolean firstRowRelative, boolean lastRowRelative, boolean firstColRelative, boolean lastColRelative) {
 
-		if (lastRow > firstRow) {
+		if (lastRow >= firstRow) {
 			setFirstRow(firstRow);
 			setLastRow(lastRow);
 			setFirstRowRelative(firstRowRelative);
@@ -83,7 +83,7 @@ public abstract class AreaPtgBase extends OperandPtg implements AreaI {
 			setLastRowRelative(firstRowRelative);
 		}
 
-		if (lastColumn > firstColumn) {
+		if (lastColumn >= firstColumn) {
 			setFirstColumn(firstColumn);
 			setLastColumn(lastColumn);
 			setFirstColRelative(firstColRelative);
diff --git a/src/testcases/org/apache/poi/ss/formula/ptg/TestAreaPtg.java b/src/testcases/org/apache/poi/ss/formula/ptg/TestAreaPtg.java
index 0dd72661f..0dcbeafc5 100644
--- a/src/testcases/org/apache/poi/ss/formula/ptg/TestAreaPtg.java
+++ b/src/testcases/org/apache/poi/ss/formula/ptg/TestAreaPtg.java
@@ -71,6 +71,35 @@ public final class TestAreaPtg extends TestCase {
 		assertEquals(lc , aptg.getLastColumn() );
 	}
 	
+    public void testAbsoluteRelativeRefs() {
+        AreaPtg sca1 = new AreaPtg(4, 5, 6, 7, true, false, true, false);
+        AreaPtg sca2 = new AreaPtg(4, 5, 6, 7, false, true, false, true);
+        AreaPtg sca3 = new AreaPtg(5, 5, 7, 7, true, false, true, false);
+        AreaPtg sca4 = new AreaPtg(5, 5, 7, 7, false, true, false, true);
+
+        assertEquals("first rel., last abs.", "G5:$H$6", sca1.toFormulaString());
+        assertEquals("first abs., last rel.", "$G$5:H6", sca2.toFormulaString());
+        assertEquals("first rel., last abs.", "H6:$H$6", sca3.toFormulaString());
+        assertEquals("first abs., last rel.", "$H$6:H6", sca4.toFormulaString());
+
+        AreaPtg cla1 = cloneArea(sca1);
+        AreaPtg cla2 = cloneArea(sca2);
+        AreaPtg cla3 = cloneArea(sca3);
+        AreaPtg cla4 = cloneArea(sca4);
+
+        assertEquals("first rel., last abs.", "G5:$H$6", cla1.toFormulaString());
+        assertEquals("first abs., last rel.", "$G$5:H6", cla2.toFormulaString());
+        assertEquals("first rel., last abs.", "H6:$H$6", cla3.toFormulaString());
+        assertEquals("first abs., last rel.", "$H$6:H6", cla4.toFormulaString());
+    }
+    private AreaPtg cloneArea(AreaPtg a)
+    {
+        return new AreaPtg(
+                a.getFirstRow(), a.getLastRow(), a.getFirstColumn(), a.getLastColumn(),
+                a.isFirstRowRelative(), a.isLastRowRelative(), a.isFirstColRelative(), a.isLastColRelative()
+        );
+    }
+	
 	public void testFormulaParser()
 	{
 		String formula1="SUM($E$5:$E$6)";