diff --git a/src/main/engine/ImportAnalysisEngine.ts b/src/main/engine/ImportAnalysisEngine.ts
index dccbd97..7ca170c 100644
--- a/src/main/engine/ImportAnalysisEngine.ts
+++ b/src/main/engine/ImportAnalysisEngine.ts
@@ -146,7 +146,8 @@ export class ImportAnalysisEngine {
   private static readonly SHORTCODE_REGEX = /(?<!\[)\[(\w+)([^\]]*?)(?:\s*\/)?\](?!\])/g;
   
   // Regex to extract individual parameters from shortcode
-  private static readonly PARAM_REGEX = /(\w+)=["']([^"']*?)["']/g;
+  // Supports: key="value", key='value', and key=value (unquoted)
+  private static readonly PARAM_REGEX = /(\w+)=(?:"([^"]*)"|'([^']*)'|([^\s\]"']+))/g;
 
   constructor() {
     this.turndown = new TurndownService({
@@ -574,6 +575,7 @@ export class ImportAnalysisEngine {
 
   /**
    * Parse parameters from a shortcode parameter string.
+   * Supports: key="value", key='value', and key=value (unquoted)
    */
   private parseShortcodeParams(paramString: string): Record<string, string> {
     const params: Record<string, string> = {};
@@ -583,7 +585,10 @@ export class ImportAnalysisEngine {
     
     let match;
     while ((match = ImportAnalysisEngine.PARAM_REGEX.exec(paramString)) !== null) {
-      params[match[1]] = match[2];
+      const key = match[1];
+      // Value is in group 2 (double-quoted), 3 (single-quoted), or 4 (unquoted)
+      const value = match[2] ?? match[3] ?? match[4] ?? '';
+      params[key] = value;
     }
     
     return params;
diff --git a/tests/engine/ImportAnalysisEngine.test.ts b/tests/engine/ImportAnalysisEngine.test.ts
index 8ac3920..b6dad39 100644
--- a/tests/engine/ImportAnalysisEngine.test.ts
+++ b/tests/engine/ImportAnalysisEngine.test.ts
@@ -709,6 +709,42 @@ describe('ImportAnalysisEngine', () => {
       expect(youtubeMacro?.usages[0].params.id).toBe('singlequoted');
     });
 
+    it('should handle shortcodes with unquoted parameters', async () => {
+      setupDbReturns([], [], []);
+
+      const wxrData = createWxrData({
+        posts: [createWxrPost({
+          content: '[youtube id=abc123def4g autoplay=true][gallery columns=4]',
+        })],
+      });
+
+      const report = await engine.analyzeWxr(wxrData, '/test.xml');
+
+      const youtubeMacro = report.macros.discovered.find(m => m.name === 'youtube');
+      expect(youtubeMacro?.usages[0].params.id).toBe('abc123def4g');
+      expect(youtubeMacro?.usages[0].params.autoplay).toBe('true');
+
+      const galleryMacro = report.macros.discovered.find(m => m.name === 'gallery');
+      expect(galleryMacro?.usages[0].params.columns).toBe('4');
+    });
+
+    it('should handle mixed quoted and unquoted parameters', async () => {
+      setupDbReturns([], [], []);
+
+      const wxrData = createWxrData({
+        posts: [createWxrPost({
+          content: '[video src="http://example.com/video.mp4" autoplay=true width=640]',
+        })],
+      });
+
+      const report = await engine.analyzeWxr(wxrData, '/test.xml');
+
+      const videoMacro = report.macros.discovered.find(m => m.name === 'video');
+      expect(videoMacro?.usages[0].params.src).toBe('http://example.com/video.mp4');
+      expect(videoMacro?.usages[0].params.autoplay).toBe('true');
+      expect(videoMacro?.usages[0].params.width).toBe('640');
+    });
+
     it('should not detect our internal macro format as WordPress shortcodes', async () => {
       setupDbReturns([], [], []);