diff --git a/core/synctex/synctex_parser.c b/core/synctex/synctex_parser.c
index 4c1923b9a..de6c92d24 100644
--- a/core/synctex/synctex_parser.c
+++ b/core/synctex/synctex_parser.c
@@ -8199,7 +8199,7 @@ static int _synctex_updater_print_gz(synctex_updater_p updater, const char * for
         char * buffer;
         va_list va;
         va_start(va, format);
-        if (vasprintf(&buffer, format, va) < 0) {
+        if (vsprintf(&buffer, format, va) < 0) {
             _synctex_error("Out of memory...");
         } else if ((result = (int)strlen(buffer))) {
             result = gzwrite(updater->file.as_gzFile, buffer, (unsigned)result);