diff --git a/app/src/main/java/net/gsantner/markor/activity/DocumentActivity.java b/app/src/main/java/net/gsantner/markor/activity/DocumentActivity.java
index 7ab1dd500..b39a07bf8 100644
--- a/app/src/main/java/net/gsantner/markor/activity/DocumentActivity.java
+++ b/app/src/main/java/net/gsantner/markor/activity/DocumentActivity.java
@@ -288,6 +288,7 @@ public void showTextEditor(@Nullable Document document, @Nullable File file, boo
 
         if (!sameDocumentRequested) {
             if (document != null) {
+                document.resetModTime();
                 showFragment(DocumentEditFragment.newInstance(document).setPreviewFlag(preview));
             } else {
                 showFragment(DocumentEditFragment.newInstance(file, fileIsFolder, fileLineNumber).setPreviewFlag(preview));
diff --git a/app/src/main/java/net/gsantner/markor/activity/DocumentShareIntoFragment.java b/app/src/main/java/net/gsantner/markor/activity/DocumentShareIntoFragment.java
index 4d39b577b..330e4c005 100644
--- a/app/src/main/java/net/gsantner/markor/activity/DocumentShareIntoFragment.java
+++ b/app/src/main/java/net/gsantner/markor/activity/DocumentShareIntoFragment.java
@@ -209,6 +209,7 @@ private void appendToExistingDocument(final File file, final String separator, f
             String trimmedContent = document.loadContent(context).trim();
             String currentContent = TextUtils.isEmpty(trimmedContent) ? "" : (trimmedContent + "\n");
             document.saveContent(context, currentContent + separator + _sharedText);
+            document.resetModTime();
 
             if (showEditor) {
                 showInDocumentActivity(document);