diff --git a/extensions/resteasy-reactive/quarkus-resteasy-reactive/deployment/src/test/java/io/quarkus/resteasy/reactive/server/test/simple/SeparatorQueryParamTest.java b/extensions/resteasy-reactive/quarkus-resteasy-reactive/deployment/src/test/java/io/quarkus/resteasy/reactive/server/test/simple/SeparatorQueryParamTest.java
index b8973cd1edce6..c520568020663 100644
--- a/extensions/resteasy-reactive/quarkus-resteasy-reactive/deployment/src/test/java/io/quarkus/resteasy/reactive/server/test/simple/SeparatorQueryParamTest.java
+++ b/extensions/resteasy-reactive/quarkus-resteasy-reactive/deployment/src/test/java/io/quarkus/resteasy/reactive/server/test/simple/SeparatorQueryParamTest.java
@@ -4,6 +4,7 @@
 
 import java.util.List;
 
+import javax.ws.rs.BeanParam;
 import javax.ws.rs.GET;
 import javax.ws.rs.Path;
 
@@ -32,6 +33,15 @@ public void noQueryParams() {
                 .header("x-size", "0");
     }
 
+    @Test
+    public void noQueryParamsBean() {
+        get("/hello/bean")
+                .then()
+                .statusCode(200)
+                .body(Matchers.equalTo("hello world"))
+                .header("x-size", "0");
+    }
+
     @Test
     public void singleQueryParam() {
         get("/hello?name=foo")
@@ -41,6 +51,15 @@ public void singleQueryParam() {
                 .header("x-size", "1");
     }
 
+    @Test
+    public void singleQueryParamBean() {
+        get("/hello/bean?name=foo")
+                .then()
+                .statusCode(200)
+                .body(Matchers.equalTo("hello foo"))
+                .header("x-size", "1");
+    }
+
     @Test
     public void multipleQueryParams() {
         get("/hello?name=foo,bar&name=one,two,three&name=yolo")
@@ -55,6 +74,16 @@ public static class HelloResource {
 
         @GET
         public RestResponse<String> hello(@RestQuery("name") @Separator(",") List<String> names) {
+            return toResponse(names);
+        }
+
+        @GET
+        @Path("bean")
+        public RestResponse<String> helloBean(@BeanParam Bean bean) {
+            return toResponse(bean.names);
+        }
+
+        private RestResponse<String> toResponse(List<String> names) {
             int size = names.size();
             String body = "";
             if (names.isEmpty()) {
@@ -66,4 +95,10 @@ public RestResponse<String> hello(@RestQuery("name") @Separator(",") List<String
         }
 
     }
+
+    public static class Bean {
+        @RestQuery("name")
+        @Separator(",")
+        public List<String> names;
+    }
 }
diff --git a/independent-projects/resteasy-reactive/common/runtime/src/main/java/org/jboss/resteasy/reactive/Separator.java b/independent-projects/resteasy-reactive/common/runtime/src/main/java/org/jboss/resteasy/reactive/Separator.java
index 86e2629e80c46..bee058ff3d280 100644
--- a/independent-projects/resteasy-reactive/common/runtime/src/main/java/org/jboss/resteasy/reactive/Separator.java
+++ b/independent-projects/resteasy-reactive/common/runtime/src/main/java/org/jboss/resteasy/reactive/Separator.java
@@ -11,7 +11,7 @@
  * parameter (using the value of the annotation) and populate the list with those values.
  */
 @Retention(RetentionPolicy.RUNTIME)
-@Target({ ElementType.PARAMETER })
+@Target({ ElementType.PARAMETER, ElementType.FIELD })
 public @interface Separator {
 
     String value();