diff --git a/opus_submitter/src/components/FileUpload.vue b/opus_submitter/src/components/FileUpload.vue
index b4a07a6..a66f25b 100644
--- a/opus_submitter/src/components/FileUpload.vue
+++ b/opus_submitter/src/components/FileUpload.vue
@@ -248,6 +248,8 @@ const isDragOver = ref(false);
 const error = ref("");
 const files = ref<SubmissionFile[]>([]);
 
+const isProcessingOCR = ref(false);
+
 // Watch for external changes to modelValue
 watch(
   () => props.modelValue,
@@ -374,6 +376,12 @@ const isOpusMagnumImage = (file: File): boolean => {
 };
 
 const processOCR = async (submissionFile: SubmissionFile) => {
+  while (isProcessingOCR.value) {
+    console.log("OCR is already processing, waiting 500ms...");
+    await new Promise((res) => setTimeout(res, 500));
+  }
+
+  isProcessingOCR.value = true;
   // Find the file in the reactive array to ensure proper reactivity
   const fileIndex = files.value.findIndex(
     (f) => f.file === submissionFile.file,
@@ -412,6 +420,7 @@ const processOCR = async (submissionFile: SubmissionFile) => {
   } finally {
     files.value[fileIndex].ocrProcessing = false;
   }
+  isProcessingOCR.value = false;
 };
 
 const retryOCR = (submissionFile: SubmissionFile) => {