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 6eb6bd216..7d354bd2a 100644
--- a/app/src/main/java/net/gsantner/markor/activity/DocumentShareIntoFragment.java
+++ b/app/src/main/java/net/gsantner/markor/activity/DocumentShareIntoFragment.java
@@ -203,7 +203,7 @@ private void appendToExistingDocument(final File file, final String separator, f
             final String shareIntoFormat = ShareUtil.formatDateTime(context, _appSettings.getShareIntoPrefix(), System.currentTimeMillis());
             final boolean isTodoTxt = TextFormat.CONVERTER_TODOTXT.isFileOutOfThisFormat(file.getAbsolutePath());
 
-            final String newContent = document.loadContent(context).replaceAll("(?m)^[\\r\\n]+|[\\r\\n]+$", "")
+            final String newContent = document.loadContent(context).replaceAll("(^[\\r\\n]+|[\\r\\n]+$)", "")
                     + separator
                     + (isTodoTxt ? _sharedText : formatOrPrefixSharedText(shareIntoFormat, _sharedText));
             document.saveContent(context, newContent);