diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 7a853cf..0d24c6c 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -29,6 +29,10 @@ jobs:
           java-version:  ${{ matrix.java }}
           distribution: 'temurin'
           cache: maven
-      - name: Build with Maven
-        if: ${{ matrix.java }} == 11
-        run: mvn -B -ntp verify -Dtest=\!RecordsTest.java --file pom.xml
\ No newline at end of file
+      - name: Build with Java 11
+        if: ${{ matrix.java == 11 }}
+        run: mvn -B -ntp verify -Dtest=\!RecordsTest.java --file pom.xml
+
+      - name: Build with Java higher than 11
+        if: ${{ matrix.java != 11 }}
+        run: mvn -B -ntp verify -Dtest=\!RecordsTest.java --file pom.xml
diff --git a/processor/src/main/java/io/jonasg/bob/definitions/TypeDefinition.java b/processor/src/main/java/io/jonasg/bob/definitions/TypeDefinition.java
index 5223689..0feb30f 100644
--- a/processor/src/main/java/io/jonasg/bob/definitions/TypeDefinition.java
+++ b/processor/src/main/java/io/jonasg/bob/definitions/TypeDefinition.java
@@ -59,8 +59,8 @@ public List<SetterMethodDefinition> getSetterMethods() {
 		for (FieldDefinition field : fields) {
 			String name = field.name().substring(0, 1).toUpperCase() + field.name().substring(1);
 			methodsWithOneParam.stream()
-					.filter(m -> m.name().equals(field.name()) || (m.name().equals(field.name().substring(2))
-							&& field.type().getKind().equals(TypeKind.BOOLEAN)))
+					.filter(m -> m.name().equals(field.name()) ||
+							isABooleanField(field, m))
 					.findFirst()
 					.map(m -> new SetterMethodDefinition(m.name(), field, m.parameters().get(0)))
 					.ifPresent(setters::add);
@@ -75,6 +75,12 @@ public List<SetterMethodDefinition> getSetterMethods() {
 		return setters;
 	}
 
+	private boolean isABooleanField(FieldDefinition field, MethodDefinition m) {
+		return field.name().startsWith("is")
+				&& m.name().equalsIgnoreCase(field.name().substring(2))
+				&& field.type().getKind().equals(TypeKind.BOOLEAN);
+	}
+
 	public boolean containsSetterMethods() {
 		return !getSetterMethods().isEmpty();
 	}