diff --git a/tools/fieldRename.ts b/tools/fieldRename.ts
index 9fb6868..00fa603 100644
--- a/tools/fieldRename.ts
+++ b/tools/fieldRename.ts
@@ -153,6 +153,7 @@ class RenameFields implements ITool {
       const fields = form.getFields();
 
       const foundUpdates: [string, callback][] = [];
+      let changesMade = false;
 
       for (const field of fields) {
         const name = field.getName();
@@ -164,6 +165,7 @@ class RenameFields implements ITool {
             `${colorize(name, "red")} -> ${colorize(preview, "green")}`,
             () => {
               applyRename(field, name, patternRegex, toChange);
+              changesMade = true;
             },
           ]);
         }
@@ -178,11 +180,15 @@ class RenameFields implements ITool {
         );
       }
 
-      const path = await cliPrompt(
-        "Save to path (or hit enter to keep current):",
-        this.block,
-      );
-      await savePdf(pdf, path || pdfPath);
+      if (changesMade) {
+        const path = await cliPrompt(
+          "Save to path (or hit enter to keep current):",
+          this.block,
+        );
+        await savePdf(pdf, path || pdfPath);
+      } else {
+        cliLog("No changes made, skipping", this.block);
+      }
     }
   }
 }