diff --git a/integration-tests/src/test/java/org/zowe/apiml/integration/zaas/PassTicketTest.java b/integration-tests/src/test/java/org/zowe/apiml/integration/zaas/PassTicketTest.java
index b659693ebd..ce511751d3 100644
--- a/integration-tests/src/test/java/org/zowe/apiml/integration/zaas/PassTicketTest.java
+++ b/integration-tests/src/test/java/org/zowe/apiml/integration/zaas/PassTicketTest.java
@@ -230,6 +230,20 @@ void givenLongApplicationName() {
             //@formatter:on
         }
 
+        @Test
+        void givenNoContentType() {
+            //@formatter:off
+            given()
+                .body(new TicketRequest(APPLICATION_NAME).toString().getBytes())
+                .cookie(COOKIE, jwt)
+                .noContentType()
+                .when()
+                .post(ZAAS_TICKET_URI)
+                .then()
+                .statusCode(is(SC_BAD_REQUEST));
+            //@formatter:on
+        }
+
         @Test
         void givenInvalidContentType() {
             //@formatter:off
diff --git a/zaas-service/src/main/java/org/zowe/apiml/zaas/zaas/ZaasExceptionHandler.java b/zaas-service/src/main/java/org/zowe/apiml/zaas/zaas/ZaasExceptionHandler.java
index 095735164d..ad95b33897 100644
--- a/zaas-service/src/main/java/org/zowe/apiml/zaas/zaas/ZaasExceptionHandler.java
+++ b/zaas-service/src/main/java/org/zowe/apiml/zaas/zaas/ZaasExceptionHandler.java
@@ -211,6 +211,16 @@ public ResponseEntity<ApiMessageView> handleInternalException(Exception exceptio
             .body(messageView);
     }
 
+    @ExceptionHandler(IllegalArgumentException.class)
+    public ResponseEntity<ApiMessageView> handleInternalException(IllegalArgumentException exception) {
+        log.debug("Client sent illegal arguments", exception);
+        ApiMessageView messageView = messageService.createMessage("org.zowe.apiml.common.badRequest").mapToView();
+        return ResponseEntity
+            .status(HttpStatus.BAD_REQUEST)
+            .contentType(MediaType.APPLICATION_JSON)
+            .body(messageView);
+    }
+
     @ExceptionHandler(HttpMediaTypeNotSupportedException.class)
     public ResponseEntity<ApiMessageView> handleUnsupportedMediaException(HttpMediaTypeNotSupportedException exception) {
         log.debug("Requested media type is not supported", exception);