diff --git a/irs-policy-store/src/main/java/org/eclipse/tractusx/irs/policystore/common/DateUtils.java b/irs-policy-store/src/main/java/org/eclipse/tractusx/irs/policystore/common/DateUtils.java
index 07f1daf0c..11f5c8eb4 100644
--- a/irs-policy-store/src/main/java/org/eclipse/tractusx/irs/policystore/common/DateUtils.java
+++ b/irs-policy-store/src/main/java/org/eclipse/tractusx/irs/policystore/common/DateUtils.java
@@ -59,7 +59,7 @@ private static LocalDate parseDate(final String dateString) {
         try {
             return LocalDate.parse(dateString);
         } catch (DateTimeParseException e) {
-            throw new IllegalArgumentException("Invalid date format (please refer to the documentation)");
+            throw new IllegalArgumentException("Invalid date format (please refer to the documentation)", e);
         }
     }
 }
diff --git a/irs-policy-store/src/test/java/org/eclipse/tractusx/irs/policystore/common/DateUtilsTest.java b/irs-policy-store/src/test/java/org/eclipse/tractusx/irs/policystore/common/DateUtilsTest.java
index 8a6c6f2b4..3d2ebd8f4 100644
--- a/irs-policy-store/src/test/java/org/eclipse/tractusx/irs/policystore/common/DateUtilsTest.java
+++ b/irs-policy-store/src/test/java/org/eclipse/tractusx/irs/policystore/common/DateUtilsTest.java
@@ -26,6 +26,7 @@
 import java.time.LocalTime;
 import java.time.OffsetDateTime;
 import java.time.ZoneOffset;
+import java.time.format.DateTimeParseException;
 import java.util.stream.Stream;
 
 import org.assertj.core.api.ThrowableAssert.ThrowingCallable;
@@ -78,7 +79,8 @@ void testInvalidDate(final String referenceDateStr) {
         final ThrowingCallable call = () -> DateUtils.isDateAfter(OffsetDateTime.now(), referenceDateStr);
         assertThatThrownBy(call).isInstanceOf(IllegalArgumentException.class)
                                 .hasMessageContaining("Invalid date")
-                                .hasMessageContaining("refer to the documentation");
+                                .hasMessageContaining("refer to the documentation")
+                                .hasCauseInstanceOf(DateTimeParseException.class);
     }
 
     @ParameterizedTest
@@ -91,7 +93,8 @@ void testInvalidDateBlank(final String referenceDateStr) {
         final ThrowingCallable call = () -> DateUtils.isDateAfter(OffsetDateTime.now(), referenceDateStr);
         assertThatThrownBy(call).isInstanceOf(IllegalArgumentException.class)
                                 .hasMessageContaining("Invalid date")
-                                .hasMessageContaining("must not be blank");
+                                .hasMessageContaining("must not be blank")
+                                .hasNoCause();
     }
 
 }