diff --git a/flow/src/org/labkey/flow/controllers/executescript/AnalysisScriptController.java b/flow/src/org/labkey/flow/controllers/executescript/AnalysisScriptController.java
index d4ce6ff2e..6ee6289c8 100644
--- a/flow/src/org/labkey/flow/controllers/executescript/AnalysisScriptController.java
+++ b/flow/src/org/labkey/flow/controllers/executescript/AnalysisScriptController.java
@@ -707,7 +707,7 @@ private void getWorkspace(ImportAnalysisForm form, Errors errors)
                     // save the uploaded workspace
                     FileLike path = AssayFileWriter.getUploadDirectoryPath(getContainer(), DIR_NAME);
                     FileLike dir = AssayFileWriter.ensureUploadDirectoryPath(path);
-                    FileLike uploadedFile = AssayFileWriter.findUniqueFileName(file.getOriginalFilename(), dir);
+                    FileLike uploadedFile = FileUtil.findUniqueFileName(file.getOriginalFilename(), dir);
                     file.transferTo(uploadedFile.toNioPathForWrite().toFile());
 
                     String uploadedPath = root.relativePath(uploadedFile.toNioPathForRead().toFile());