diff --git a/eo-parser/src/main/resources/org/eolang/parser/xmir-to-eo.xsl b/eo-parser/src/main/resources/org/eolang/parser/xmir-to-eo.xsl
index 130cf895c3..0ab3075432 100644
--- a/eo-parser/src/main/resources/org/eolang/parser/xmir-to-eo.xsl
+++ b/eo-parser/src/main/resources/org/eolang/parser/xmir-to-eo.xsl
@@ -141,7 +141,7 @@ SOFTWARE.
         <xsl:value-of select="$eol"/>
         <xsl:text>"""</xsl:text>
       </xsl:when>
-      <xsl:when test="@base='bool' and @base='int' and @base='float'">
+      <xsl:when test="@base='bool' or @base='int' or @base='float'">
         <xsl:value-of select="text()"/>
       </xsl:when>
       <xsl:otherwise>