diff --git a/server/gx-workflow-ls-format2/src/schema/index.ts b/server/gx-workflow-ls-format2/src/schema/index.ts
index a4239af..d1ebff3 100644
--- a/server/gx-workflow-ls-format2/src/schema/index.ts
+++ b/server/gx-workflow-ls-format2/src/schema/index.ts
@@ -1,5 +1,5 @@
+import { FieldSchemaNode, RecordSchemaNode, SchemaNode } from "./definitions";
 import { GalaxyWorkflowFormat2SchemaLoader } from "./schemaLoader";
-import { RecordSchemaNode, FieldSchemaNode, SchemaNode } from "./definitions";
 import { SchemaNodeResolver } from "./schemaNodeResolver";
 
-export { GalaxyWorkflowFormat2SchemaLoader, SchemaNodeResolver, SchemaNode, RecordSchemaNode, FieldSchemaNode };
+export { FieldSchemaNode, GalaxyWorkflowFormat2SchemaLoader, RecordSchemaNode, SchemaNode, SchemaNodeResolver };
diff --git a/server/gx-workflow-ls-format2/src/validation/rules/InputTypeValidationRule.ts b/server/gx-workflow-ls-format2/src/validation/rules/InputTypeValidationRule.ts
index 6798f63..1a759bb 100644
--- a/server/gx-workflow-ls-format2/src/validation/rules/InputTypeValidationRule.ts
+++ b/server/gx-workflow-ls-format2/src/validation/rules/InputTypeValidationRule.ts
@@ -1,4 +1,5 @@
 import { ValidationRule } from "@gxwf/server-common/src/languageTypes";
+import { isCompatibleType } from "@gxwf/server-common/src/utils";
 import { Diagnostic, DiagnosticSeverity } from "vscode-languageserver-types";
 import { GxFormat2WorkflowDocument } from "../../gxFormat2WorkflowDocument";
 
@@ -13,36 +14,18 @@ export class InputTypeValidationRule implements ValidationRule {
 
     const inputNodes = documentContext.getRawInputNodes();
     inputNodes.forEach((input) => {
-      let defaultTypeMatchesValue = true;
-
       const inputName = String(input.keyNode.value);
-      const inputTypeValue = documentContext.nodeManager.getPropertyValueByName(input, "type");
+      const inputType = documentContext.nodeManager.getPropertyValueByName(input, "type") as string;
       const defaultValueNode = documentContext.nodeManager.getPropertyNodeByName(input, "default");
       const defaultValue = defaultValueNode?.valueNode?.value;
 
       const defaultValueType = typeof defaultValue;
-      if (inputTypeValue && defaultValue) {
-        switch (inputTypeValue) {
-          case "int":
-          case "integer":
-          case "long":
-          case "double":
-          case "float":
-            defaultTypeMatchesValue = defaultValueType === "number";
-            break;
-          case "boolean":
-            defaultTypeMatchesValue = defaultValueType === "boolean";
-            break;
-          case "string":
-            defaultTypeMatchesValue = defaultValueType === "string";
-            break;
-          case "null":
-            defaultTypeMatchesValue = defaultValueType === null;
-            break;
-        }
+
+      if (inputType && defaultValue) {
+        const defaultTypeMatchesValue = isCompatibleType(inputType, defaultValueType);
         if (!defaultTypeMatchesValue) {
           result.push({
-            message: `Input '${inputName}' default value has invalid type. Expected '${inputTypeValue}' but found '${defaultValueType}'.`,
+            message: `Input '${inputName}' default value has invalid type. Expected '${inputType}' but found '${defaultValueType}'.`,
             range: documentContext.nodeManager.getNodeRange(defaultValueNode),
             severity: this.severity,
           });
diff --git a/server/packages/server-common/src/utils.ts b/server/packages/server-common/src/utils.ts
new file mode 100644
index 0000000..7ae4422
--- /dev/null
+++ b/server/packages/server-common/src/utils.ts
@@ -0,0 +1,28 @@
+/**
+ * Check if the actual type can be mapped to the expected type.
+ * Usefull to validate properties types.
+ * @param expectedType The expected type. Usually a type supported by the schema.
+ * @param actualType The actual type. You can use the `typeof` operator to get this value.
+ */
+export function isCompatibleType(expectedType: string, actualType: string): boolean {
+  let isCompatible = true;
+  switch (expectedType) {
+    case "int":
+    case "integer":
+    case "long":
+    case "double":
+    case "float":
+      isCompatible = actualType === "number";
+      break;
+    case "boolean":
+      isCompatible = actualType === "boolean";
+      break;
+    case "string":
+      isCompatible = actualType === "string";
+      break;
+    case "null":
+      isCompatible = actualType === null;
+      break;
+  }
+  return isCompatible;
+}