diff --git a/repos/os/include/util/xml_generator.h b/repos/os/include/util/xml_generator.h
index 6ff809701..0b5f8054f 100644
--- a/repos/os/include/util/xml_generator.h
+++ b/repos/os/include/util/xml_generator.h
@@ -318,13 +318,45 @@ class Genode::Xml_generator
 			_curr_node->insert_attribute(name, str.string());
 		}
 
-		void attribute(char const *name, long value)
+		void attribute(char const *name, bool value)
+		{
+			_curr_node->insert_attribute(name, value ? "true" : "false");
+		}
+
+		void attribute(char const *name, long long value)
 		{
 			char buf[64];
-			Genode::snprintf(buf, sizeof(buf), "%ld", value);
+			Genode::snprintf(buf, sizeof(buf), "%lld", value);
 			_curr_node->insert_attribute(name, buf);
 		}
 
+		void attribute(char const *name, long value)
+		{
+			attribute(name, static_cast<long long>(value));
+		}
+
+		void attribute(char const *name, int value)
+		{
+			attribute(name, static_cast<long long>(value));
+		}
+
+		void attribute(char const *name, unsigned long long value)
+		{
+			char buf[64];
+			Genode::snprintf(buf, sizeof(buf), "%llu", value);
+			_curr_node->insert_attribute(name, buf);
+		}
+
+		void attribute(char const *name, unsigned long value)
+		{
+			attribute(name, static_cast<unsigned long long>(value));
+		}
+
+		void attribute(char const *name, unsigned value)
+		{
+			attribute(name, static_cast<unsigned long long>(value));
+		}
+
 		/**
 		 * Append content to XML node
 		 *
diff --git a/repos/os/run/xml_generator.run b/repos/os/run/xml_generator.run
index f01d1cdc1..5e14f9b10 100644
--- a/repos/os/run/xml_generator.run
+++ b/repos/os/run/xml_generator.run
@@ -35,7 +35,7 @@ compare_output_to {
 	[init -> test-xml_generator] --- XML generator test started ---
 	[init -> test-xml_generator] result:
 	[init -> test-xml_generator] 
-	[init -> test-xml_generator] <config xpos="27" ypos="34" verbose="true">
+	[init -> test-xml_generator] <config xpos="27" ypos="34">
 	[init -> test-xml_generator] 	<box width="320" height="240"/>
 	[init -> test-xml_generator] 	<label name="a test">
 	[init -> test-xml_generator] 		<sub_label/>
@@ -43,9 +43,12 @@ compare_output_to {
 	[init -> test-xml_generator] 			<sub_sub_label/>
 	[init -> test-xml_generator] 		</another_sub_label>
 	[init -> test-xml_generator] 	</label>
+	[init -> test-xml_generator] 	<bool true="true" false="false"/>
+	[init -> test-xml_generator] 	<signed int="-1" long="-2" longlong="-3"/>
+	[init -> test-xml_generator] 	<unsigned int="1" long="2" longlong="3"/>
 	[init -> test-xml_generator] </config>
 	[init -> test-xml_generator] 
-	[init -> test-xml_generator] used 200 bytes
+	[init -> test-xml_generator] used 307 bytes
 	[init -> test-xml_generator] buffer exceeded (expected error)
 	[init -> test-xml_generator] --- XML generator test finished ---
 }
diff --git a/repos/os/src/test/xml_generator/main.cc b/repos/os/src/test/xml_generator/main.cc
index 8cf4c925f..df988c1b7 100644
--- a/repos/os/src/test/xml_generator/main.cc
+++ b/repos/os/src/test/xml_generator/main.cc
@@ -39,7 +39,23 @@ static size_t fill_buffer_with_xml(char *dst, size_t dst_len)
 				xml.node("sub_sub_label");
 			});
 		});
-		xml.attribute("verbose", "true");
+		xml.node("bool", [&] ()
+		{
+			xml.attribute("true",  true);
+			xml.attribute("false", false);
+		});
+		xml.node("signed", [&] ()
+		{
+			xml.attribute("int",      -1);
+			xml.attribute("long",     -2L);
+			xml.attribute("longlong", -3LL);
+		});
+		xml.node("unsigned", [&] ()
+		{
+			xml.attribute("int",      1U);
+			xml.attribute("long",     2UL);
+			xml.attribute("longlong", 3ULL);
+		});
 	});
 
 	return xml.used();