diff --git a/PowerEditor/src/Notepad_plus.cpp b/PowerEditor/src/Notepad_plus.cpp
index 4c615840f..d21ffd128 100644
--- a/PowerEditor/src/Notepad_plus.cpp
+++ b/PowerEditor/src/Notepad_plus.cpp
@@ -2531,9 +2531,9 @@ void Notepad_plus::maintainIndentation(TCHAR ch)
 		{
 			// if no character in front of {, aligned with prev line's indentation
 			auto startPos = _pEditView->execute(SCI_POSITIONFROMLINE, curLine);
-			auto endPos = _pEditView->execute(SCI_GETCURRENTPOS);
+			LRESULT endPos = _pEditView->execute(SCI_GETCURRENTPOS);
 
-			for (long long i = endPos - 2; i > 0 && i > startPos; --i)
+			for (LRESULT i = endPos - 2; i > 0 && i > startPos; --i)
 			{
 				UCHAR aChar = (UCHAR)_pEditView->execute(SCI_GETCHARAT, i);
 				if (aChar != ' ' && aChar != '\t')