diff --git a/src/components/PatternInfo.tsx b/src/components/PatternInfo.tsx
index a8fcc20..165ff75 100644
--- a/src/components/PatternInfo.tsx
+++ b/src/components/PatternInfo.tsx
@@ -117,7 +117,13 @@ export function PatternInfo({
                 .join(" ");
 
               // Secondary metadata: chart and description
-              const secondaryMetadata = [color.chart, color.description]
+              // Only show chart if it's different from catalogNumber
+              const secondaryMetadata = [
+                color.chart && color.chart !== color.catalogNumber
+                  ? color.chart
+                  : null,
+                color.description,
+              ]
                 .filter(Boolean)
                 .join(" ");
 
diff --git a/src/components/ProgressMonitor.tsx b/src/components/ProgressMonitor.tsx
index 87128a0..48b5dd7 100644
--- a/src/components/ProgressMonitor.tsx
+++ b/src/components/ProgressMonitor.tsx
@@ -281,8 +281,12 @@ export function ProgressMonitor() {
                                     .join(" ");
 
                                   // Secondary metadata: chart and description
+                                  // Only show chart if it's different from catalogNumber
                                   const secondaryMetadata = [
-                                    block.threadChart,
+                                    block.threadChart &&
+                                    block.threadChart !== block.threadCatalogNumber
+                                      ? block.threadChart
+                                      : null,
                                     block.threadDescription,
                                   ]
                                     .filter(Boolean)