diff --git a/streampipes-extensions/streampipes-processors-geo-jvm/src/main/java/org/apache/streampipes/processors/geo/jvm/GeoJvmInit.java b/streampipes-extensions/streampipes-processors-geo-jvm/src/main/java/org/apache/streampipes/processors/geo/jvm/GeoJvmInit.java
index abaca77156..0d312ea32a 100644
--- a/streampipes-extensions/streampipes-processors-geo-jvm/src/main/java/org/apache/streampipes/processors/geo/jvm/GeoJvmInit.java
+++ b/streampipes-extensions/streampipes-processors-geo-jvm/src/main/java/org/apache/streampipes/processors/geo/jvm/GeoJvmInit.java
@@ -32,6 +32,7 @@
 import org.apache.streampipes.processors.geo.jvm.jts.processor.latlngtojtspoint.LatLngToJtsPointProcessor;
 import org.apache.streampipes.processors.geo.jvm.jts.processor.reprojection.ReprojectionProcessor;
 import org.apache.streampipes.processors.geo.jvm.jts.processor.trajectory.TrajectoryFromPointsProcessor;
+import org.apache.streampipes.processors.geo.jvm.jts.processor.validation.GeometryValidationProcessor;
 import org.apache.streampipes.processors.geo.jvm.latlong.processor.distancecalculator.haversine.HaversineDistanceCalculatorProcessor;
 import org.apache.streampipes.processors.geo.jvm.latlong.processor.distancecalculator.haversinestatic.HaversineStaticDistanceCalculatorProcessor;
 import org.apache.streampipes.processors.geo.jvm.latlong.processor.geocoder.googlemaps.GoogleMapsGeocoderProcessor;
@@ -70,7 +71,8 @@ public SpServiceDefinition provideServiceDefinition() {
             new LatLngToJtsPointProcessor(),
             new TrajectoryFromPointsProcessor(),
             new SpeedCalculatorProcessor(),
-            new ReprojectionProcessor())
+            new ReprojectionProcessor(),
+            new GeometryValidationProcessor())
         .registerMessagingFormats(
             new JsonDataFormatFactory(),
             new CborDataFormatFactory(),
diff --git a/streampipes-extensions/streampipes-processors-geo-jvm/src/main/java/org/apache/streampipes/processors/geo/jvm/jts/processor/validation/GeometryValidationProcessor.java b/streampipes-extensions/streampipes-processors-geo-jvm/src/main/java/org/apache/streampipes/processors/geo/jvm/jts/processor/validation/GeometryValidationProcessor.java
index 0b3936e4de..edb0254aae 100644
--- a/streampipes-extensions/streampipes-processors-geo-jvm/src/main/java/org/apache/streampipes/processors/geo/jvm/jts/processor/validation/GeometryValidationProcessor.java
+++ b/streampipes-extensions/streampipes-processors-geo-jvm/src/main/java/org/apache/streampipes/processors/geo/jvm/jts/processor/validation/GeometryValidationProcessor.java
@@ -79,7 +79,7 @@ public DataProcessorDescription declareModel() {
                 ValidationOutput.INVALID.name()
             )
         )
-        .requiredMultiValueSelection(
+        .requiredSingleValueSelection(
             Labels.withId(VALIDATION_TYPE_KEY),
             Options.from(
                 ValidationType.IsEmpty.name(),
@@ -109,9 +109,9 @@ public void onInvocation(ProcessorParams parameters, SpOutputCollector spOutputC
     if (readValidationType.equals(ValidationType.IsEmpty.name())) {
       this.validationType = ValidationType.IsEmpty.getNumber(); // 1
     } else if (readValidationType.equals(ValidationType.IsValid.name())) {
-      this.validationType = ValidationType.IsValid.getNumber(); // 2
+      this.validationType = ValidationType.IsSimple.getNumber(); // 2
     } else {
-      this.validationType = ValidationType.IsSimple.getNumber(); // 3
+      this.validationType = ValidationType.IsValid.getNumber(); // 3
     }
   }
 
@@ -126,7 +126,7 @@ public void onEvent(Event event, SpOutputCollector collector) throws SpRuntimeEx
 
     switch (validationType) {
       case 1:
-        itIsValid = geometry.isEmpty();
+        itIsValid = !geometry.isEmpty();
         break;
       case 2:
         itIsValid = geometry.isSimple();
@@ -135,7 +135,7 @@ public void onEvent(Event event, SpOutputCollector collector) throws SpRuntimeEx
         IsValidOp validater = new IsValidOp(geometry);
         validater.setSelfTouchingRingFormingHoleValid(true);
         itIsValid = validater.isValid();
-        if (itIsValid = false) {
+        if (!itIsValid) {
           validater.getValidationError();
         }
     }