diff --git a/xslt/subsurfacecsv.xslt b/xslt/subsurfacecsv.xslt
index 81aa03033..5a78343cf 100644
--- a/xslt/subsurfacecsv.xslt
+++ b/xslt/subsurfacecsv.xslt
@@ -427,7 +427,7 @@
                     <xsl:value-of select="$size"/>
                   </xsl:when>
                   <xsl:otherwise>
-                    <xsl:value-of select="format-number((translate($size, translate($size, '0123456789', ''), '') * 14.7 div 3000) div 0.035315, '#.#')"/>
+                    <xsl:value-of select="format-number((translate($size, translate($size, '0123456789,.', ''), '') * 14.7 div 3000) div 0.035315, '#.#')"/>
                   </xsl:otherwise>
                 </xsl:choose>
               </xsl:otherwise>