diff --git a/spring-boot-modules/spring-boot-validations/src/main/java/com/baeldung/dto/BooleanObject.java b/spring-boot-modules/spring-boot-validations/src/main/java/com/baeldung/dto/BooleanObject.java
index 410324d3b5..750b23fe11 100644
--- a/spring-boot-modules/spring-boot-validations/src/main/java/com/baeldung/dto/BooleanObject.java
+++ b/spring-boot-modules/spring-boot-validations/src/main/java/com/baeldung/dto/BooleanObject.java
@@ -15,6 +15,7 @@ public class BooleanObject {
     @AssertTrue(message = "trueField must have true value")
     Boolean trueField;
 
+    @NotNull(message = "falseField cannot be null")
     @AssertFalse(message = "falseField must have false value")
     Boolean falseField;
 
diff --git a/spring-boot-modules/spring-boot-validations/src/test/java/com/baeldung/controller/ValidationControllerUnitTest.java b/spring-boot-modules/spring-boot-validations/src/test/java/com/baeldung/controller/ValidationControllerUnitTest.java
index 759007ed36..ad0e3ecdfa 100644
--- a/spring-boot-modules/spring-boot-validations/src/test/java/com/baeldung/controller/ValidationControllerUnitTest.java
+++ b/spring-boot-modules/spring-boot-validations/src/test/java/com/baeldung/controller/ValidationControllerUnitTest.java
@@ -109,4 +109,30 @@ class ValidationControllerUnitTest {
         mockMvc.perform(post("/validateBooleanAtService").contentType("application/json"))
             .andExpect(status().isInternalServerError());
     }
+
+    @Test
+    void whenNullInputForTrueBooleanField_thenCorrectResponse() throws Exception {
+
+        String postBody = "{\"boolField\":true,\"trueField\":null,\"falseField\":false,\"boolStringVar\":\"+\"}";
+
+        mockMvc.perform(post("/validateBoolean").contentType("application/json")
+            .content(postBody))
+            .andExpect(status().isOk());
+
+    }
+
+    @Test
+    void whenNullInputForFalseBooleanField_thenHttpBadRequestAsHttpResponse() throws Exception {
+
+        String postBody = "{\"boolField\":true,\"trueField\":true,\"falseField\":null,\"boolStringVar\":\"+\"}";
+
+        String output = mockMvc.perform(post("/validateBoolean").contentType("application/json")
+            .content(postBody))
+            .andReturn()
+            .getResponse()
+            .getContentAsString();
+
+        assertEquals("falseField cannot be null", output);
+
+    }
 }