diff --git a/activiti-cloud-runtime-bundle-service/activiti-cloud-services-runtime-bundle/activiti-cloud-services-core/src/main/java/org/activiti/cloud/services/core/ProcessVariableValueConverter.java b/activiti-cloud-runtime-bundle-service/activiti-cloud-services-runtime-bundle/activiti-cloud-services-core/src/main/java/org/activiti/cloud/services/core/ProcessVariableValueConverter.java
index 4c34e00d5f..75c211f486 100644
--- a/activiti-cloud-runtime-bundle-service/activiti-cloud-services-runtime-bundle/activiti-cloud-services-core/src/main/java/org/activiti/cloud/services/core/ProcessVariableValueConverter.java
+++ b/activiti-cloud-runtime-bundle-service/activiti-cloud-services-runtime-bundle/activiti-cloud-services-core/src/main/java/org/activiti/cloud/services/core/ProcessVariableValueConverter.java
@@ -38,6 +38,7 @@ public class ProcessVariableValueConverter {
         typeRegistry.put("boolean", Boolean.class);
         typeRegistry.put("double", Double.class);
         typeRegistry.put("date", Date.class);
+        typeRegistry.put("datetime", Date.class);
         typeRegistry.put("localdate", LocalDate.class);
         typeRegistry.put("bigdecimal", BigDecimal.class);
         typeRegistry.put("json", JsonNode.class);
diff --git a/activiti-cloud-runtime-bundle-service/activiti-cloud-services-runtime-bundle/activiti-cloud-services-core/src/test/java/org/activiti/cloud/services/core/ProcessVariableValueConverterTest.java b/activiti-cloud-runtime-bundle-service/activiti-cloud-services-runtime-bundle/activiti-cloud-services-core/src/test/java/org/activiti/cloud/services/core/ProcessVariableValueConverterTest.java
index e2d50d48b9..103e9d7dd8 100644
--- a/activiti-cloud-runtime-bundle-service/activiti-cloud-services-runtime-bundle/activiti-cloud-services-core/src/test/java/org/activiti/cloud/services/core/ProcessVariableValueConverterTest.java
+++ b/activiti-cloud-runtime-bundle-service/activiti-cloud-services-runtime-bundle/activiti-cloud-services-core/src/test/java/org/activiti/cloud/services/core/ProcessVariableValueConverterTest.java
@@ -132,6 +132,17 @@ void testProcessVariableValueConverterDateValue() {
         assertThat(dateValue).isEqualTo(dateFormatterProvider.parse(DATE_1970_01_01T01_01_01_001Z));
     }
 
+    @Test
+    void testProcessVariableValueConverterDatetimeValue() {
+        // when
+        Date dateValue = variableValueConverter.convert(
+            new ProcessVariableValue("Datetime", DATE_1970_01_01T01_01_01_001Z)
+        );
+
+        // then
+        assertThat(dateValue).isEqualTo(dateFormatterProvider.parse(DATE_1970_01_01T01_01_01_001Z));
+    }
+
     @Test
     void testProcessVariableValueConverterBigDecimalValue() {
         assertThat(