diff --git a/custom-checks/checkstyle/src/test/java/org/openhab/tools/analysis/checkstyle/test/OhInfXmlValidationCheckTest.java b/custom-checks/checkstyle/src/test/java/org/openhab/tools/analysis/checkstyle/test/OhInfXmlValidationCheckTest.java
index 5ca6b448..5bce87c7 100644
--- a/custom-checks/checkstyle/src/test/java/org/openhab/tools/analysis/checkstyle/test/OhInfXmlValidationCheckTest.java
+++ b/custom-checks/checkstyle/src/test/java/org/openhab/tools/analysis/checkstyle/test/OhInfXmlValidationCheckTest.java
@@ -20,6 +20,7 @@
 import java.net.URL;
 import java.text.MessageFormat;
 import java.util.ArrayList;
+import java.util.List;
 import java.util.Locale;
 
 import org.junit.jupiter.api.BeforeAll;
@@ -176,6 +177,26 @@ public void testInvalidConfig() throws Exception {
         verifyWithPath("invalidConfig", RELATIVE_PATH_TO_CONFIG, expectedMessages);
     }
 
+    @Test
+    public void testInvalidItemType() throws Exception {
+        assumeTrue(isResourceAvailable);
+
+        int lineNumber = 15;
+        String[] expectedMessages = generateExpectedMessages(lineNumber,
+                "Value Invalid is not facet-valid with respect to enumeration "
+                        + "[Call, Color, Contact, DateTime, Dimmer, Group, Image, Location, Number, Number:Acceleration, Number:AmountOfSubstance, "
+                        + "Number:Angle, Number:Area, Number:ArealDensity, Number:CatalyticActivity, Number:Currency, Number:DataAmount, "
+                        + "Number:DataTransferRate, Number:Density, Number:Dimensionless, Number:ElectricCapacitance, Number:ElectricCharge, "
+                        + "Number:ElectricConductance, Number:ElectricConductivity, Number:ElectricCurrent, Number:ElectricInductance, "
+                        + "Number:ElectricPotential, Number:ElectricResistance, Number:EmissionIntensity, Number:Energy, Number:EnergyPrice, "
+                        + "Number:Force, Number:Frequency, Number:Illuminance, Number:Intensity, Number:Length, Number:LuminousFlux, "
+                        + "Number:LuminousIntensity, Number:MagneticFlux, Number:MagneticFluxDensity, Number:Mass, Number:Power, Number:Pressure, "
+                        + "Number:RadiationDoseAbsorbed, Number:RadiationDoseEffective, Number:RadiationSpecificActivity, Number:RadioactiveActivity, "
+                        + "Number:SolidAngle, Number:Speed, Number:Temperature, Number:Time, Number:Volume, Number:VolumetricFlowRate, Player, "
+                        + "Rollershutter, String, Switch]. It must be a value from the enumeration.");
+        verifyWithPath("invalidItemType", RELATIVE_PATH_TO_THING, expectedMessages);
+    }
+
     @Test
     public void testMissingThingDescriptionsContent() throws Exception {
         assumeTrue(isResourceAvailable);
@@ -203,7 +224,7 @@ private void verifyWithPath(String testSubDirectory, String testFilePath, String
         verify(createChecker(CONFIGURATION), testFiles, directoryPath + testFilePath, expectedMessages);
     }
 
-    private File[] listFilesForFolder(File folder, ArrayList<File> files) {
+    private File[] listFilesForFolder(File folder, List<File> files) {
         for (File fileEntry : folder.listFiles()) {
             if (fileEntry.isDirectory()) {
                 listFilesForFolder(fileEntry, files);
diff --git a/custom-checks/checkstyle/src/test/resources/checkstyle/ohInfXmlValidationCheckTest/invalidItemType/src/main/resources/OH-INF/thing/thing-types.xml b/custom-checks/checkstyle/src/test/resources/checkstyle/ohInfXmlValidationCheckTest/invalidItemType/src/main/resources/OH-INF/thing/thing-types.xml
new file mode 100644
index 00000000..8f08f81c
--- /dev/null
+++ b/custom-checks/checkstyle/src/test/resources/checkstyle/ohInfXmlValidationCheckTest/invalidItemType/src/main/resources/OH-INF/thing/thing-types.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<thing:thing-descriptions bindingId="check" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xmlns:thing="https://openhab.org/schemas/thing-description/v1.0.0"
+	xsi:schemaLocation="https://openhab.org/schemas/thing-description/v1.0.0 https://openhab.org/schemas/thing-description-1.0.0.xsd">
+
+	<thing-type id="check">
+		<label>Sample Thing</label>
+		<description>Some sample description</description>
+		<channels>
+			<channel id="check" typeId="check" />
+		</channels>
+	</thing-type>
+
+	<channel-type id="check">
+		<item-type>Invalid</item-type>
+		<label>Test</label>
+		<description>Test</description>
+	</channel-type>
+
+</thing:thing-descriptions>
diff --git a/custom-checks/checkstyle/src/test/resources/checkstyle/ohInfXmlValidationCheckTest/validThingTypeXml/src/main/resources/OH-INF/thing/thing-types.xml b/custom-checks/checkstyle/src/test/resources/checkstyle/ohInfXmlValidationCheckTest/validThingTypeXml/src/main/resources/OH-INF/thing/thing-types.xml
index 4cfdf302..71f5c743 100644
--- a/custom-checks/checkstyle/src/test/resources/checkstyle/ohInfXmlValidationCheckTest/validThingTypeXml/src/main/resources/OH-INF/thing/thing-types.xml
+++ b/custom-checks/checkstyle/src/test/resources/checkstyle/ohInfXmlValidationCheckTest/validThingTypeXml/src/main/resources/OH-INF/thing/thing-types.xml
@@ -12,7 +12,7 @@
 	</thing-type>
 
 	<channel-type id="check">
-		<item-type>Text</item-type>
+		<item-type>Number:Energy</item-type>
 		<label>Test</label>
 		<description>Test</description>
 	</channel-type>