diff --git a/skyquake/plugins/composer/src/src/components/EditDescriptorModelProperties.js b/skyquake/plugins/composer/src/src/components/EditDescriptorModelProperties.js
index 816bde5..b3d8afb 100644
--- a/skyquake/plugins/composer/src/src/components/EditDescriptorModelProperties.js
+++ b/skyquake/plugins/composer/src/src/components/EditDescriptorModelProperties.js
@@ -187,7 +187,7 @@
 		const onFocus = onFocusPropertyFormInputElement.bind(container, property, path, value);
 		const placeholder = changeCase.title(property.name);
 		const className = ClassNames(property.name + '-input', {'-is-guid': isGuid});
-		const fieldValue = value ? (value.constructor.name != "Object") ? value : '' : undefined;
+		const fieldValue = value ? (value.constructor.name != "Object") ? value : '' : (isNaN(value) ? undefined : value);
 		if (isEnumeration) {
 			const enumeration = Property.getEnumeration(property, value);
 			const options = enumeration.map((d, i) => {