diff --git a/test/doxygen/autodoc.gold b/test/doxygen/autodoc.gold
index e0b739b..a9cabf4 100644
--- a/test/doxygen/autodoc.gold
+++ b/test/doxygen/autodoc.gold
@@ -1,5 +1,5 @@
 <?xml version="1.0" standalone="yes"?>
-<library-reference id="example_reference"><title>Example Reference</title><header name="boost/example.hpp"><namespace name="example"><class name="example"><purpose>Documentation for class example. </purpose><class name="inner_class"><data-member name="x"><type>int</type></data-member></class><enum name="class_enum"><enumvalue name="enumerator"/></enum><data-member name="integer"><type>int</type></data-member><data-member name="mutable_integer" specifiers="mutable"><type>int</type></data-member><data-member name="const_integer"><type>const int</type></data-member><data-member name="static_integer" specifiers="static"><type>int</type></data-member><data-member name="static_const_integer" specifiers="static"><type>const int</type></data-member></class><struct name="example_template"><template>
+<library-reference id="example_reference"><title>Example Reference</title><header name="boost/example.hpp"><namespace name="example"><class name="example"><purpose>Documentation for class example. </purpose><class name="inner_class"><data-member name="x"><type>int</type></data-member></class><enum name="class_enum"><enumvalue name="enumerator"/></enum><data-member name="integer"><type>int</type></data-member><data-member name="mutable_integer" specifiers="mutable"><type>int</type></data-member><data-member name="const_integer"><type>const int</type></data-member><data-member name="static_integer" specifiers="static"><type>int</type></data-member><data-member name="static_const_integer" specifiers="static"><type>const int</type></data-member><method-group name="public member functions"><method name="conversion-operator" cv="" specifiers="explicit"><type>int</type></method></method-group></class><struct name="example_template"><template>
       <template-type-parameter name="TypeParameter"><purpose><para>A template parameter </para></purpose></template-type-parameter>
       <template-nontype-parameter name="NonTypeParameter"><type>int</type><purpose><para>This is a non-type template parameter </para></purpose></template-nontype-parameter>
       <template-type-parameter name="TypeParameterWithDefault"><default>int</default><purpose><para>This is a template parameter with a default argument </para></purpose></template-type-parameter>
diff --git a/test/doxygen/boost/example.hpp b/test/doxygen/boost/example.hpp
index b85eaaf..b3f5b9e 100644
--- a/test/doxygen/boost/example.hpp
+++ b/test/doxygen/boost/example.hpp
@@ -47,6 +47,8 @@ namespace example
         
         /// INTERNAL ONLY
         enum internal_enum { internal_enumerator };
+
+        explicit operator int();
     protected:
         int protected_integer;
         static int protected_static_integer;
diff --git a/xsl/doxygen/doxygen2boostbook.xsl b/xsl/doxygen/doxygen2boostbook.xsl
index 7962bde..da5a996 100644
--- a/xsl/doxygen/doxygen2boostbook.xsl
+++ b/xsl/doxygen/doxygen2boostbook.xsl
@@ -1170,6 +1170,10 @@
         </xsl:attribute>
       </xsl:if>
 
+      <xsl:if test="@explicit = 'yes'">
+        <xsl:attribute name="specifiers">explicit</xsl:attribute>
+      </xsl:if>
+
       <!-- Conversion type -->
       <type>
         <xsl:value-of select="substring-after(name/text(), 'operator ')"/>