diff --git a/layout/html/table/src/nsCellMap.cpp b/layout/html/table/src/nsCellMap.cpp
index 9d4e166652db..a12656f2c3ba 100644
--- a/layout/html/table/src/nsCellMap.cpp
+++ b/layout/html/table/src/nsCellMap.cpp
@@ -2421,9 +2421,9 @@ PRBool nsCellMap::ColHasSpanningCells(nsTableCellMap& aMap,
   for (PRInt32 rowIndex = 0; rowIndex < mRowCount; rowIndex++) {
     CellData* cd = GetDataAt(aMap, rowIndex, aColIndex, PR_TRUE);
     if (cd && (cd->IsOrig())) { // cell originates 
-      CellData* cd2 = GetDataAt(aMap, rowIndex + 1, aColIndex, PR_TRUE);
+      CellData* cd2 = GetDataAt(aMap, rowIndex, aColIndex +1, PR_TRUE);
       if (cd2 && cd2->IsColSpan()) { // cd2 is spanned by a col
-        if (cd->GetCellFrame() == GetCellFrame(rowIndex + 1, aColIndex, *cd2, PR_FALSE)) {
+        if (cd->GetCellFrame() == GetCellFrame(rowIndex , aColIndex + 1, *cd2, PR_FALSE)) {
           return PR_TRUE;
         }
       }
diff --git a/layout/html/table/src/nsTableFrame.cpp b/layout/html/table/src/nsTableFrame.cpp
index 63567313d18c..6374b4469d60 100644
--- a/layout/html/table/src/nsTableFrame.cpp
+++ b/layout/html/table/src/nsTableFrame.cpp
@@ -3782,7 +3782,7 @@ nsTableFrame::CellChangedWidth(const nsTableCellFrame& aCellFrame,
   PRBool colMinGetsSmaller = (cellMin < colMin) && (colMin == aPrevCellMin);
 
   if (colMinGetsBigger || colMinGetsSmaller) {
-    if (ColIsSpannedInto(colIndex)) {
+    if (ColIsSpannedInto(colIndex) || ColHasSpanningCells(colIndex)) {
       // bail out if a colspan is involved
       SetNeedStrategyInit(PR_TRUE);
       return PR_TRUE;
@@ -7324,13 +7324,24 @@ PRBool nsTableFrame::RowIsSpannedInto(PRInt32 aRowIndex)
   return result;
 }
 
+PRBool nsTableFrame::ColHasSpanningCells(PRInt32 aColIndex)
+{
+  PRBool result = PR_FALSE;
+  nsTableCellMap * cellMap = GetCellMap();
+  NS_PRECONDITION (cellMap, "bad call, cellMap not yet allocated.");
+  if (cellMap) {
+    result = cellMap->ColHasSpanningCells(aColIndex);
+  }
+  return result;
+}
+
 PRBool nsTableFrame::ColIsSpannedInto(PRInt32 aColIndex)
 {
   PRBool result = PR_FALSE;
   nsTableCellMap * cellMap = GetCellMap();
   NS_PRECONDITION (cellMap, "bad call, cellMap not yet allocated.");
   if (cellMap) {
-		result = cellMap->ColIsSpannedInto(aColIndex);
+    result = cellMap->ColIsSpannedInto(aColIndex);
   }
   return result;
 }
diff --git a/layout/tables/nsCellMap.cpp b/layout/tables/nsCellMap.cpp
index 9d4e166652db..a12656f2c3ba 100644
--- a/layout/tables/nsCellMap.cpp
+++ b/layout/tables/nsCellMap.cpp
@@ -2421,9 +2421,9 @@ PRBool nsCellMap::ColHasSpanningCells(nsTableCellMap& aMap,
   for (PRInt32 rowIndex = 0; rowIndex < mRowCount; rowIndex++) {
     CellData* cd = GetDataAt(aMap, rowIndex, aColIndex, PR_TRUE);
     if (cd && (cd->IsOrig())) { // cell originates 
-      CellData* cd2 = GetDataAt(aMap, rowIndex + 1, aColIndex, PR_TRUE);
+      CellData* cd2 = GetDataAt(aMap, rowIndex, aColIndex +1, PR_TRUE);
       if (cd2 && cd2->IsColSpan()) { // cd2 is spanned by a col
-        if (cd->GetCellFrame() == GetCellFrame(rowIndex + 1, aColIndex, *cd2, PR_FALSE)) {
+        if (cd->GetCellFrame() == GetCellFrame(rowIndex , aColIndex + 1, *cd2, PR_FALSE)) {
           return PR_TRUE;
         }
       }
diff --git a/layout/tables/nsTableFrame.cpp b/layout/tables/nsTableFrame.cpp
index 63567313d18c..6374b4469d60 100644
--- a/layout/tables/nsTableFrame.cpp
+++ b/layout/tables/nsTableFrame.cpp
@@ -3782,7 +3782,7 @@ nsTableFrame::CellChangedWidth(const nsTableCellFrame& aCellFrame,
   PRBool colMinGetsSmaller = (cellMin < colMin) && (colMin == aPrevCellMin);
 
   if (colMinGetsBigger || colMinGetsSmaller) {
-    if (ColIsSpannedInto(colIndex)) {
+    if (ColIsSpannedInto(colIndex) || ColHasSpanningCells(colIndex)) {
       // bail out if a colspan is involved
       SetNeedStrategyInit(PR_TRUE);
       return PR_TRUE;
@@ -7324,13 +7324,24 @@ PRBool nsTableFrame::RowIsSpannedInto(PRInt32 aRowIndex)
   return result;
 }
 
+PRBool nsTableFrame::ColHasSpanningCells(PRInt32 aColIndex)
+{
+  PRBool result = PR_FALSE;
+  nsTableCellMap * cellMap = GetCellMap();
+  NS_PRECONDITION (cellMap, "bad call, cellMap not yet allocated.");
+  if (cellMap) {
+    result = cellMap->ColHasSpanningCells(aColIndex);
+  }
+  return result;
+}
+
 PRBool nsTableFrame::ColIsSpannedInto(PRInt32 aColIndex)
 {
   PRBool result = PR_FALSE;
   nsTableCellMap * cellMap = GetCellMap();
   NS_PRECONDITION (cellMap, "bad call, cellMap not yet allocated.");
   if (cellMap) {
-		result = cellMap->ColIsSpannedInto(aColIndex);
+    result = cellMap->ColIsSpannedInto(aColIndex);
   }
   return result;
 }