diff --git a/sources/awesomewidgets/awjsonformatter.cpp b/sources/awesomewidgets/awjsonformatter.cpp
index 2b3fa38..b0dd19e 100644
--- a/sources/awesomewidgets/awjsonformatter.cpp
+++ b/sources/awesomewidgets/awjsonformatter.cpp
@@ -178,8 +178,8 @@ QVariant AWJsonFormatter::getFromMap(const QVariant &value,
 void AWJsonFormatter::initPath()
 {
     m_splittedPath.clear();
-    QStringList splittedByDot = m_path.split(QRegExp(QString("(\\.|\\[|\\])")),
-                                             QString::SkipEmptyParts);
+    QStringList splittedByDot
+        = m_path.split(QChar('.'), QString::SkipEmptyParts);
 
     for (auto &element : splittedByDot) {
         bool ok;
diff --git a/sources/test/CMakeLists.txt b/sources/test/CMakeLists.txt
index 07e9e9b..3f7ca1d 100644
--- a/sources/test/CMakeLists.txt
+++ b/sources/test/CMakeLists.txt
@@ -27,7 +27,7 @@ set(LIBRARY_TEST_SET ${SUBPROJECT}-awtest ${PROJECT_LIBRARY} ${PROJECT_MONITORSO
 # modules
 set(TEST_MODULES
         abstractextitem extquotes extscript extupgrade extweather
-        abstractformatter datetimeformatter floatformatter listformatter noformatter scriptformatter stringformatter
+        abstractformatter datetimeformatter floatformatter jsonformatter listformatter noformatter scriptformatter stringformatter
         extitemaggregator
         batterysource desktopsource gpuloadsource gputempsource hddtempsource networksource playersource processessource
         awbugreporter awconfighelper awkeycache awkeys awpatternfunctions awtelemetryhandler awupdatehelper
diff --git a/sources/test/testjsonformatter.cpp b/sources/test/testjsonformatter.cpp
new file mode 100644
index 0000000..c5b9c0d
--- /dev/null
+++ b/sources/test/testjsonformatter.cpp
@@ -0,0 +1,97 @@
+/***************************************************************************
+ *   This file is part of awesome-widgets                                  *
+ *                                                                         *
+ *   awesome-widgets is free software: you can redistribute it and/or      *
+ *   modify it under the terms of the GNU General Public License as        *
+ *   published by the Free Software Foundation, either version 3 of the    *
+ *   License, or (at your option) any later version.                       *
+ *                                                                         *
+ *   awesome-widgets is distributed in the hope that it will be useful,    *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with awesome-widgets. If not, see http://www.gnu.org/licenses/  *
+ ***************************************************************************/
+
+
+#include "testjsonformatter.h"
+
+#include <QtTest>
+
+#include "awjsonformatter.h"
+#include "awtestlibrary.h"
+
+
+void TestAWJsonFormatter::initTestCase()
+{
+    formatter = new AWJsonFormatter(nullptr);
+
+    generate();
+    formatter->setPath(path);
+}
+
+
+void TestAWJsonFormatter::cleanupTestCase()
+{
+    delete formatter;
+}
+
+
+void TestAWJsonFormatter::test_values()
+{
+    QCOMPARE(formatter->path(), path);
+}
+
+
+void TestAWJsonFormatter::test_conversion()
+{
+    QCOMPARE(formatter->convert(json), value);
+}
+
+
+void TestAWJsonFormatter::test_copy()
+{
+    AWJsonFormatter *newFormatter = formatter->copy(QString("/dev/null"), 1);
+
+    QCOMPARE(newFormatter->path(), formatter->path());
+    QCOMPARE(newFormatter->number(), 1);
+
+    delete newFormatter;
+}
+
+
+void TestAWJsonFormatter::generate()
+{
+    value = AWTestLibrary::randomString();
+
+    QVariantMap first;
+    QString firstKey = AWTestLibrary::randomString();
+    first[firstKey] = value;
+
+    int listCount = AWTestLibrary::randomInt(5) + 1;
+    int validCount = AWTestLibrary::randomInt(listCount);
+    QVariantList second;
+    for (int i = 0; i < listCount; i++) {
+        if (i == validCount) {
+            second.append(first);
+        } else {
+            QString key = AWTestLibrary::randomString();
+            QString val = AWTestLibrary::randomString();
+            QVariantMap dict;
+            dict[key] = val;
+            second.append(dict);
+        }
+    }
+
+    QString thirdKey = AWTestLibrary::randomString();
+    QVariantMap output;
+    output[thirdKey] = second;
+
+    json = output;
+    path = QString("%1.%2.%3").arg(thirdKey).arg(validCount).arg(firstKey);
+}
+
+
+QTEST_MAIN(TestAWJsonFormatter);
diff --git a/sources/test/testjsonformatter.h b/sources/test/testjsonformatter.h
new file mode 100644
index 0000000..12ec8a6
--- /dev/null
+++ b/sources/test/testjsonformatter.h
@@ -0,0 +1,50 @@
+/***************************************************************************
+ *   This file is part of awesome-widgets                                  *
+ *                                                                         *
+ *   awesome-widgets is free software: you can redistribute it and/or      *
+ *   modify it under the terms of the GNU General Public License as        *
+ *   published by the Free Software Foundation, either version 3 of the    *
+ *   License, or (at your option) any later version.                       *
+ *                                                                         *
+ *   awesome-widgets is distributed in the hope that it will be useful,    *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with awesome-widgets. If not, see http://www.gnu.org/licenses/  *
+ ***************************************************************************/
+
+
+#ifndef TESTJSONFORMATTER_H
+#define TESTJSONFORMATTER_H
+
+#include <QObject>
+#include <QVariant>
+
+
+class AWJsonFormatter;
+
+class TestAWJsonFormatter : public QObject
+{
+    Q_OBJECT
+
+private slots:
+    // initialization
+    void initTestCase();
+    void cleanupTestCase();
+    // test
+    void test_values();
+    void test_conversion();
+    void test_copy();
+
+private:
+    void generate();
+    AWJsonFormatter *formatter = nullptr;
+    QVariant json;
+    QString path;
+    QString value;
+};
+
+
+#endif /* TESTJSONFORMATTER_Hl */
diff --git a/sources/test/testscriptformatter.h b/sources/test/testscriptformatter.h
index ed81823..6b23e71 100644
--- a/sources/test/testscriptformatter.h
+++ b/sources/test/testscriptformatter.h
@@ -47,4 +47,4 @@ private:
 };
 
 
-#endif /* TESTNOFORMATTER_H */
+#endif /* TESTSCRIPTFORMATTER_H */