diff --git a/src/langs/en.json b/src/langs/en.json
index 7c6e523..2a2f864 100644
--- a/src/langs/en.json
+++ b/src/langs/en.json
@@ -23,7 +23,7 @@
   "syncrun_shortstep2skip": "2/2 Remotely Save real sync is skipped in dry run mode.",
   "syncrun_shortstep2": "2/2 Remotely Save finished!",
   "syncrun_abort": "{{manifestID}}-{{theDate}}: abort sync, triggerSource={{triggerSource}}, error while {{syncStatus}}",
-  "syncrun_abort_protectmodifypercentage": "Abort! you set changing files  >= {{protectModifyPercentage}}% is not allowed but {{realModifyDeleteCount}}/{{allFilesCount}}={{percent}}% is going to be modified or deleted! If you are sure you want this sync, please adjust the allowed ratio in the settings.",
+  "syncrun_abort_protectmodifypercentage": "Abort! you set changing files >= {{protectModifyPercentage}}% is not allowed but {{realModifyDeleteCount}}/{{allFilesCount}}={{percent}}% is going to be modified or deleted! If you are sure you want this sync, please adjust the allowed ratio in the settings.",
   "protocol_saveqr": "New not-oauth2 settings for {{manifestName}} is saved. Reopen the plugin settings to make it effective.",
   "protocol_callbacknotsupported": "Your uri calls a callback that's not supported yet: {{params}}",
   "protocol_dropbox_connecting": "Connecting to Dropbox...\nPlease DO NOT close this modal.",
diff --git a/src/sync.ts b/src/sync.ts
index c3ec554..eea0511 100644
--- a/src/sync.ts
+++ b/src/sync.ts
@@ -888,7 +888,7 @@ const splitThreeStepsOnEntityMappings = (
       }
       realTotalCount += 1;
 
-      if (val.decision.startsWith("deleted")) {
+      if (val.decision.includes("deleted")) {
         realModifyDeleteCount += 1;
       }
     } else if (
@@ -915,8 +915,8 @@ const splitThreeStepsOnEntityMappings = (
       realTotalCount += 1;
 
       if (
-        val.decision.startsWith("modified") ||
-        val.decision.startsWith("conflict")
+        val.decision.includes("modified") ||
+        val.decision.includes("conflict")
       ) {
         realModifyDeleteCount += 1;
       }
@@ -1115,6 +1115,12 @@ export const doActualSync = async (
     allFilesCount > 0
   ) {
     if (
+      protectModifyPercentage === 100 &&
+      realModifyDeleteCount === allFilesCount
+    ) {
+      // special treatment for 100%
+      // let it pass, we do nothing here
+    } else if (
       realModifyDeleteCount * 100 >=
       allFilesCount * protectModifyPercentage
     ) {