diff --git a/src/index.mjs b/src/index.mjs
index 66093e1..c848962 100644
--- a/src/index.mjs
+++ b/src/index.mjs
@@ -49,8 +49,8 @@ if (!process.env.MW_USERNAME || !process.env.MW_PASSWORD) {
 const mw = new MediaWikiClient('https://ffxiv.consolegameswiki.com/mediawiki');
 await mw.login(process.env.MW_USERNAME, process.env.MW_PASSWORD);
 
-// Get pages in the "Missing EDB ID" category
-const itemPagesWithoutEDBIDs = await mw.listCategoryPages('Category:Missing EDB ID', +process.env.LIMIT || 500);
+// Get pages in the "Missing EDB ID" category from the main article namespace
+const itemPagesWithoutEDBIDs = await mw.listCategoryPages('Category:Missing EDB ID', [0], +process.env.LIMIT || 500);
 console.log('Processing', itemPagesWithoutEDBIDs.length, 'item pages from [[Category:Missing EDB ID]]\n');
 
 for (const {title} of itemPagesWithoutEDBIDs) {
diff --git a/src/mediawiki.mjs b/src/mediawiki.mjs
index c13d74f..8128878 100644
--- a/src/mediawiki.mjs
+++ b/src/mediawiki.mjs
@@ -165,16 +165,23 @@ export class MediaWikiClient {
 	/**
 	 * Gets the list of wiki pages that belong to the given category.
 	 * @param {string} name Category name including the `Category:` namespace.
+	 * @param {number[] | '*'} namespaces Integer namespace ID(s) or the string
+	 * `'*'`. If namespace IDs are provided, only pages in those namespaces will
+	 * be returned.
 	 * @param {string} limit Maximum number of items to return. Must be 500 or
 	 * less. I'm lazy and not supporting API paging so deal with it.
 	 * @returns {Promise<{pageid: number; title: string}[]>}
 	 */
-	async listCategoryPages (name, limit = 50) {
+	async listCategoryPages (name, namespaces = '*', limit = 50) {
+		if (Array.isArray(namespaces)) {
+			namespaces = namespaces.join('|');
+		}
 		const body = await this.fetchApiGet({
 			action: 'query',
 			list: 'categorymembers',
 			cmtitle: name,
 			cmlimit: limit,
+			cmnamespace: namespaces,
 		});
 		return body.query.categorymembers;
 	}