diff --git a/winpr/libwinpr/file/file.c b/winpr/libwinpr/file/file.c
index cbc43147d..bb296eb0e 100644
--- a/winpr/libwinpr/file/file.c
+++ b/winpr/libwinpr/file/file.c
@@ -985,7 +985,7 @@ static HANDLE FileCreateFileA(LPCSTR lpFileName, DWORD dwDesiredAccess, DWORD dw
 
 	if (fstat(fileno(pFile->fp), &st) == 0 && dwFlagsAndAttributes & FILE_ATTRIBUTE_READONLY)
 	{
-		st.st_mode &= WINPR_ASSERTING_INT_CAST(mode_t, ~(S_IWUSR | S_IWGRP | S_IWOTH));
+		st.st_mode &= WINPR_ASSERTING_INT_CAST(mode_t, (mode_t)(~(S_IWUSR | S_IWGRP | S_IWOTH)));
 		fchmod(fileno(pFile->fp), st.st_mode);
 	}