diff --git a/lib/gpu-uniforms.js b/lib/gpu-uniforms.js
index a9b8814..7383546 100644
--- a/lib/gpu-uniforms.js
+++ b/lib/gpu-uniforms.js
@@ -87,26 +87,28 @@ const getTypeData = (type, attributes, otherStructLayouts) => {
 		if (innerType == null) {
 			return null;
 		}
-		const innerTypeData = getTypeData(innerType, [], otherStructLayouts);
+		const elementTypeData = getTypeData(innerType, [], otherStructLayouts);
 
 		const mult = parseInt(fixedSize ?? "0");
-		let align = innerTypeData.align;
-		let size = Math.ceil(innerTypeData.size / align) * align * mult;
+		const align = elementTypeData.align;
+		let stride = elementTypeData.byteOffset;
 		if (attributes.stride != null) {
-			size = parseInt(attributes.stride) * mult;
+			stride = parseInt(attributes.stride);
 		}
+		const size = stride * mult;
 
 		return {
 			isArray: true,
 			isFixedSize: mult > 0,
-			innerTypeData,
+			elementTypeData,
 			mult,
 			size,
 			align,
+			stride,
 			defaultValue: () =>
 				Array(mult)
 					.fill()
-					.map((_) => innerTypeData.defaultValue()),
+					.map((_) => elementTypeData.defaultValue()),
 		};
 	} else {
 		console.warn(`Unrecognized type ${type}.`);
@@ -189,12 +191,12 @@ const writeField = (allLayouts, field, value, views, byteOffset, warnMissingFiel
 	}
 	if (field.isArray) {
 		const count = field.isFixedSize ? field.mult : value.length;
-		for (let i = 0; i < field.mult; i++) {
-			writeField(allLayouts, field.innerTypeData, value[i], views, byteOffset + field.innerTypeData.byteOffset * i, warnMissingFields);
+		for (let i = 0; i < count; i++) {
+			writeField(allLayouts, field.elementTypeData, value[i], views, byteOffset + field.stride * i, warnMissingFields);
 		}
 	} else if (field.isStruct) {
 		for (const innerField of field.innerLayout.fields) {
-			writeField(allLayouts, innerField, value[innerField.identifier], views, byteOffset + field.byteOffset, warnMissingFields);
+			writeField(allLayouts, innerField, value[innerField.identifier], views, byteOffset + field.stride * i, warnMissingFields);
 		}
 	} else {
 		const view = views[field.baseType];