diff --git a/src/music/giulianiGenerator.test.ts b/src/music/giulianiGenerator.test.ts
index bd9bea1..854ca0b 100644
--- a/src/music/giulianiGenerator.test.ts
+++ b/src/music/giulianiGenerator.test.ts
@@ -1,5 +1,5 @@
 import { describe, it, expect } from 'vitest';
-import { generateGiulianiStudy } from './giulianiGenerator';
+import { generateGiulianiStudy, type GiulianiPattern } from './giulianiGenerator';
 import { scoreEvents, validateScore } from '../score/model';
 
 const strings = [40, 45, 50, 55, 59, 64];
diff --git a/src/music/giulianiGenerator.ts b/src/music/giulianiGenerator.ts
index 344ddce..de1deb3 100644
--- a/src/music/giulianiGenerator.ts
+++ b/src/music/giulianiGenerator.ts
@@ -269,6 +269,7 @@ export function generateGiulianiStudy(
     let cursor = 0;
     for (let b = 0; b < usableBars.length; b++) {
         const { degreeIndex, placement } = usableBars[b];
+        if (!placement) continue; // filtered above, but satisfies strict TS
         chordSymbols.push(chordNameFor(key, degreeIndex));
         for (let n = 0; n < fillSlots; n++) {
             const f = n % figure.length;