diff --git a/src/pugixml.cpp b/src/pugixml.cpp
index ea6514b..e166142 100644
--- a/src/pugixml.cpp
+++ b/src/pugixml.cpp
@@ -4440,7 +4440,7 @@ PUGI__NS_BEGIN
 
 		bool negative = (*s == '-');
 
-		s += negative;
+		s += (*s == '+' || *s == '-');
 
 		bool overflow = false;
 
diff --git a/tests/test_dom_traverse.cpp b/tests/test_dom_traverse.cpp
index 1fbc317..c7408cb 100644
--- a/tests/test_dom_traverse.cpp
+++ b/tests/test_dom_traverse.cpp
@@ -1224,4 +1224,21 @@ TEST_XML(dom_as_ullong_hex_overflow, "<node attr1='-0x1' attr2='0x10000000000000
 	CHECK(node.attribute(STR("attr2")).as_ullong() == 18446744073709551615ull);
 	CHECK(node.attribute(STR("attr3")).as_ullong() == 18446744073709551615ull);
 }
-#endif
\ No newline at end of file
+#endif
+
+TEST_XML(dom_as_int_plus, "<node attr1='+1' attr2='+0xa' />")
+{
+	xml_node node = doc.child(STR("node"));
+
+	CHECK(node.attribute(STR("attr1")).as_int() == 1);
+	CHECK(node.attribute(STR("attr1")).as_uint() == 1);
+	CHECK(node.attribute(STR("attr2")).as_int() == 10);
+	CHECK(node.attribute(STR("attr2")).as_uint() == 10);
+
+#ifdef PUGIXML_HAS_LONG_LONG
+	CHECK(node.attribute(STR("attr1")).as_llong() == 1);
+	CHECK(node.attribute(STR("attr1")).as_ullong() == 1);
+	CHECK(node.attribute(STR("attr2")).as_llong() == 10);
+	CHECK(node.attribute(STR("attr2")).as_ullong() == 10);
+#endif
+}
\ No newline at end of file