diff --git a/src/insets/InsetTabular.cpp b/src/insets/InsetTabular.cpp
index 109bcd862c..eaa2f94e19 100644
--- a/src/insets/InsetTabular.cpp
+++ b/src/insets/InsetTabular.cpp
@@ -2672,7 +2672,7 @@ docstring Tabular::xhtmlRow(XHTMLStream & xs, row_type row,
 		attr << "'";
 
 		if (isMultiColumn(cell))
-			attr << " colspan='" << j + columnSpan(cell) - 1<< "'";
+			attr << " colspan='" << columnSpan(cell) << "'";
 
 		xs << StartTag("td", attr.str());
 		ret += cellInset(cell)->xhtml(xs, runparams);