diff --git a/pom.xml b/pom.xml
index a1b9723..e6e624a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>fr.ouestfrance.querydsl</groupId>
     <artifactId>querydsl</artifactId>
-    <version>1.2.1-SNAPSHOT</version>
+    <version>1.3.0-SNAPSHOT</version>
     <name>querydsl</name>
     <description>Unified queryDSL based on annotations</description>
     <url>https://github.com/ouest-france/querydsl</url>
diff --git a/src/main/java/fr/ouestfrance/querydsl/FilterOperation.java b/src/main/java/fr/ouestfrance/querydsl/FilterOperation.java
index 57b4b38..d6c7c43 100644
--- a/src/main/java/fr/ouestfrance/querydsl/FilterOperation.java
+++ b/src/main/java/fr/ouestfrance/querydsl/FilterOperation.java
@@ -1,6 +1,7 @@
 package fr.ouestfrance.querydsl;
 
 import fr.ouestfrance.querydsl.service.validators.ValidatedBy;
+import fr.ouestfrance.querydsl.service.validators.impl.BooleanValidator;
 import fr.ouestfrance.querydsl.service.validators.impl.CollectionValidator;
 import fr.ouestfrance.querydsl.service.validators.impl.ComparableValidator;
 import fr.ouestfrance.querydsl.service.validators.impl.StringValidator;
@@ -72,4 +73,11 @@ class IN implements FilterOperation {
     @ValidatedBy(CollectionValidator.class)
     class NOTIN implements FilterOperation {
     }
+
+    /**
+     * Is null Operation
+     */
+    @ValidatedBy(BooleanValidator.class)
+    class ISNULL implements FilterOperation {
+    }
 }
diff --git a/src/main/java/fr/ouestfrance/querydsl/service/validators/impl/BooleanValidator.java b/src/main/java/fr/ouestfrance/querydsl/service/validators/impl/BooleanValidator.java
new file mode 100644
index 0000000..49cca13
--- /dev/null
+++ b/src/main/java/fr/ouestfrance/querydsl/service/validators/impl/BooleanValidator.java
@@ -0,0 +1,20 @@
+package fr.ouestfrance.querydsl.service.validators.impl;
+
+import fr.ouestfrance.querydsl.service.validators.FilterFieldValidator;
+import lombok.NoArgsConstructor;
+
+/**
+ * Validator that handle filter on Boolean
+ */
+@NoArgsConstructor
+public class BooleanValidator implements FilterFieldValidator {
+    @Override
+    public boolean validate(Class<?> clazz) {
+        return Boolean.class.isAssignableFrom(clazz);
+    }
+
+    @Override
+    public String message() {
+        return "should be applied to Boolean";
+    }
+}
diff --git a/src/test/java/fr/ouestfrance/querydsl/service/validators/impl/BooleanValidatorTest.java b/src/test/java/fr/ouestfrance/querydsl/service/validators/impl/BooleanValidatorTest.java
new file mode 100644
index 0000000..66ff93e
--- /dev/null
+++ b/src/test/java/fr/ouestfrance/querydsl/service/validators/impl/BooleanValidatorTest.java
@@ -0,0 +1,37 @@
+package fr.ouestfrance.querydsl.service.validators.impl;
+
+import fr.ouestfrance.querydsl.service.validators.FilterFieldValidator;
+import org.junit.jupiter.api.Test;
+
+import java.math.BigDecimal;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.util.*;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class BooleanValidatorTest {
+
+    private final FilterFieldValidator validator = new BooleanValidator();
+    @Test
+    void shouldValidate(){
+        assertTrue(validator.validate(Boolean.class));
+    }
+
+    @Test
+    void shouldUnValidate(){
+        assertFalse(validator.validate(String.class));
+        assertFalse(validator.validate(Double.class));
+        assertFalse(validator.validate(LocalDate.class));
+        assertFalse(validator.validate(LocalDateTime.class));
+        assertFalse(validator.validate(Date.class));
+        assertFalse(validator.validate(UUID.class));
+        assertFalse(validator.validate(Integer.class));
+        assertFalse(validator.validate(BigDecimal.class));
+        assertFalse(validator.validate(Set.class));
+        assertFalse(validator.validate(ArrayList.class));
+        assertFalse(validator.validate(LinkedList.class));
+        assertFalse(validator.validate(HashSet.class));
+    }
+}
diff --git a/src/test/java/fr/ouestfrance/querydsl/service/validators/impl/ComprableValidatorTest.java b/src/test/java/fr/ouestfrance/querydsl/service/validators/impl/ComparableValidatorTest.java
similarity index 97%
rename from src/test/java/fr/ouestfrance/querydsl/service/validators/impl/ComprableValidatorTest.java
rename to src/test/java/fr/ouestfrance/querydsl/service/validators/impl/ComparableValidatorTest.java
index 11e4d8a..bec4faf 100644
--- a/src/test/java/fr/ouestfrance/querydsl/service/validators/impl/ComprableValidatorTest.java
+++ b/src/test/java/fr/ouestfrance/querydsl/service/validators/impl/ComparableValidatorTest.java
@@ -11,7 +11,7 @@
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
-class ComprableValidatorTest {
+class ComparableValidatorTest {
 
     private final FilterFieldValidator validator = new ComparableValidator();
     @Test