diff --git a/bun.lockb b/bun.lockb
index bae5bd6..115901e 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/src/app/create/[id]/createBlueprintSteps/ExtractFields.tsx b/src/app/create/[id]/createBlueprintSteps/ExtractFields.tsx
index f871be1..fc6f783 100644
--- a/src/app/create/[id]/createBlueprintSteps/ExtractFields.tsx
+++ b/src/app/create/[id]/createBlueprintSteps/ExtractFields.tsx
@@ -156,11 +156,12 @@ const ExtractFields = ({
               return;
             }
 
-            const regexOutputs = await testDecomposedRegex(
+            const {result: regexOutputs, length: totalLength} = await testDecomposedRegex(
               body,
               header,
               parsedRegex,
-              revealPrivateFields
+              revealPrivateFields,
+              true
             );
 
             const outputUpdated =
@@ -183,10 +184,12 @@ const ExtractFields = ({
             // update the max length of the regex at that particular index
             // Only update when the output changes, so we can still set maxLength
             if (outputUpdated) {
-              const totalLength = regexOutputs.reduce((acc, cur) => (acc += cur.length), 0);
               const decomposedRegexes = [...store.decomposedRegexes];
               decomposedRegexes[index].maxLength = totalLength ?? 64;
-              setField('decomposedRegexes', decomposedRegexes);
+              if (decomposedRegexes[index].maxLength < totalLength) {
+                decomposedRegexes[index].maxLength = totalLength;
+                setField('decomposedRegexes', decomposedRegexes);
+              }
             }
           } catch (error) {
             console.error('Error testing decomposed regex:', error);