diff --git a/src/corelib/text/qregularexpression.cpp b/src/corelib/text/qregularexpression.cpp
index c52a80e676..a0b35f8142 100644
--- a/src/corelib/text/qregularexpression.cpp
+++ b/src/corelib/text/qregularexpression.cpp
@@ -1040,9 +1040,24 @@ int QRegularExpressionPrivate::captureIndexForName(QStringView name) const
     if (!compiledPattern)
         return -1;
 
-    int index = pcre2_substring_number_from_name_16(compiledPattern, reinterpret_cast<PCRE2_SPTR16>(name.utf16()));
-    if (index >= 0)
-        return index;
+    // See the other usages of pcre2_pattern_info_16 for more details about this
+    PCRE2_SPTR16 *namedCapturingTable;
+    unsigned int namedCapturingTableEntryCount;
+    unsigned int namedCapturingTableEntrySize;
+
+    pcre2_pattern_info_16(compiledPattern, PCRE2_INFO_NAMETABLE, &namedCapturingTable);
+    pcre2_pattern_info_16(compiledPattern, PCRE2_INFO_NAMECOUNT, &namedCapturingTableEntryCount);
+    pcre2_pattern_info_16(compiledPattern, PCRE2_INFO_NAMEENTRYSIZE, &namedCapturingTableEntrySize);
+
+    for (unsigned int i = 0; i < namedCapturingTableEntryCount; ++i) {
+        const auto currentNamedCapturingTableRow =
+                reinterpret_cast<const char16_t *>(namedCapturingTable) + namedCapturingTableEntrySize * i;
+
+        if (name == (currentNamedCapturingTableRow + 1)) {
+            const int index = *currentNamedCapturingTableRow;
+            return index;
+        }
+    }
 
     return -1;
 }
diff --git a/tests/auto/corelib/text/qregularexpression/tst_qregularexpression.cpp b/tests/auto/corelib/text/qregularexpression/tst_qregularexpression.cpp
index ab93373d44..dbe77be1f5 100644
--- a/tests/auto/corelib/text/qregularexpression/tst_qregularexpression.cpp
+++ b/tests/auto/corelib/text/qregularexpression/tst_qregularexpression.cpp
@@ -69,6 +69,7 @@ private slots:
     void captureCount();
     void captureNames_data();
     void captureNames();
+    void captureNamesNul();
     void pcreJitStackUsage_data();
     void pcreJitStackUsage();
     void regularExpressionMatch_data();
@@ -1620,6 +1621,36 @@ void tst_QRegularExpression::captureNames()
 
 }
 
+void tst_QRegularExpression::captureNamesNul()
+{
+    QRegularExpression re("a(\\d+)b(?<name>\\d+)c(?<anotherName>\\d+)d(\\d+)e$");
+    QVERIFY(re.isValid());
+
+    QCOMPARE(re.captureCount(), 4);
+
+    QStringList namedCaptureGroups = re.namedCaptureGroups();
+    QCOMPARE(namedCaptureGroups[0], QString());
+    QCOMPARE(namedCaptureGroups[1], QString());
+    QCOMPARE(namedCaptureGroups[2], "name");
+    QCOMPARE(namedCaptureGroups[3], "anotherName");
+    QCOMPARE(namedCaptureGroups[4], QString());
+
+    QRegularExpressionMatch m = re.match("a12b456c789d0e");
+    QVERIFY(m.hasMatch());
+
+    QString captureName("name");
+    QCOMPARE(m.captured(captureName), "456");
+    QCOMPARE(m.captured(QStringView(captureName)), "456");
+    QCOMPARE(m.captured(qToStringViewIgnoringNull(captureName)), "456");
+    QCOMPARE(m.captured(u"name"), "456");
+
+    captureName = "anotherName";
+    QCOMPARE(m.captured(captureName), "789");
+    QCOMPARE(m.captured(QStringView(captureName)), "789");
+    QCOMPARE(m.captured(qToStringViewIgnoringNull(captureName)), "789");
+    QCOMPARE(m.captured(u"anotherName"), "789");
+}
+
 void tst_QRegularExpression::pcreJitStackUsage_data()
 {
     QTest::addColumn<QString>("pattern");