diff --git a/src/corelib/serialization/qxmlstream.g b/src/corelib/serialization/qxmlstream.g
index 994136c4b17..d1e3e182e26 100644
--- a/src/corelib/serialization/qxmlstream.g
+++ b/src/corelib/serialization/qxmlstream.g
@@ -1115,8 +1115,8 @@ attribute_value_content ::= literal_content | char_ref | entity_ref_in_attribute
 attribute ::= qname space_opt EQ space_opt attribute_value;
 /.
         case $rule_number: {
-            XmlStringRef prefix = symPrefix(1);
-            if (prefix.isEmpty() && symString(1) == "xmlns"_L1 && namespaceProcessing) {
+            const XmlStringRef prfx = symPrefix(1);
+            if (prfx.isEmpty() && symString(1) == "xmlns"_L1 && namespaceProcessing) {
                 NamespaceDeclaration &namespaceDeclaration = namespaceDeclarations.push();
                 namespaceDeclaration.prefix.clear();
 
@@ -1165,7 +1165,7 @@ attribute ::= qname space_opt EQ space_opt attribute_value;
                     attribute.value.pos = pos;
                     attribute.value.len = n;
                 }
-                if (prefix == "xmlns"_L1 && namespaceProcessing) {
+                if (prfx == "xmlns"_L1 && namespaceProcessing) {
                     NamespaceDeclaration &namespaceDeclaration = namespaceDeclarations.push();
                     XmlStringRef namespacePrefix = symString(attribute.key);
                     XmlStringRef namespaceUri = symString(attribute.value);
diff --git a/src/corelib/serialization/qxmlstreamparser_p.h b/src/corelib/serialization/qxmlstreamparser_p.h
index 44fa3a69b2d..4bdcd77f3e1 100644
--- a/src/corelib/serialization/qxmlstreamparser_p.h
+++ b/src/corelib/serialization/qxmlstreamparser_p.h
@@ -714,8 +714,8 @@ bool QXmlStreamReaderPrivate::parse()
         break;
 
         case 229: {
-            XmlStringRef prefix = symPrefix(1);
-            if (prefix.isEmpty() && symString(1) == "xmlns"_L1 && namespaceProcessing) {
+            const XmlStringRef prfx = symPrefix(1);
+            if (prfx.isEmpty() && symString(1) == "xmlns"_L1 && namespaceProcessing) {
                 NamespaceDeclaration &namespaceDeclaration = namespaceDeclarations.push();
                 namespaceDeclaration.prefix.clear();
 
@@ -764,7 +764,7 @@ bool QXmlStreamReaderPrivate::parse()
                     attribute.value.pos = pos;
                     attribute.value.len = n;
                 }
-                if (prefix == "xmlns"_L1 && namespaceProcessing) {
+                if (prfx == "xmlns"_L1 && namespaceProcessing) {
                     NamespaceDeclaration &namespaceDeclaration = namespaceDeclarations.push();
                     XmlStringRef namespacePrefix = symString(attribute.key);
                     XmlStringRef namespaceUri = symString(attribute.value);