diff --git a/src/components/forms/custom-form-builder.tsx b/src/components/forms/custom-form-builder.tsx
index d9aec3c..418708e 100644
--- a/src/components/forms/custom-form-builder.tsx
+++ b/src/components/forms/custom-form-builder.tsx
@@ -538,7 +538,7 @@ export function CustomFormBuilder() {
     }
 
     doc.setFontSize(fontSize);
-    const lineH = fontSize * 1.4;
+    const lineH = fontSize * lineHeight;
 
     // Group runs into visual lines (split where applied text contains "\n").
     const runsToLines = (runs: InlineRun[]): InlineRun[][] => {