diff --git a/xslt/csv2xml.xslt b/xslt/csv2xml.xslt
index e535aa87d..99474b079 100644
--- a/xslt/csv2xml.xslt
+++ b/xslt/csv2xml.xslt
@@ -233,10 +233,10 @@
                   <xsl:choose>
                     <xsl:when test="substring-after($value, '.') != ''">
                       <!-- Well, I suppose it was min.sec -->
-                      <xsl:value-of select="substring-before($value, '.') * 60 + substring(substring-after($value, '.') * 60, 1, 2)" />
+                      <xsl:value-of select="substring-before($value, '.') * 60 + concat('.', substring-after($value, '.')) * 60" />
                     </xsl:when>
                     <xsl:when test="substring-after($value, ',') != ''">
-                      <xsl:value-of select="substring-before($value, ',') * 60 + substring(substring-after($value, ',') * 60, 1, 2)" />
+                      <xsl:value-of select="substring-before($value, ',') * 60 + concat('.', substring-after($value, ',')) * 60" />
                     </xsl:when>
                     <xsl:otherwise>
                       <xsl:value-of select="$value"/>