diff --git a/std/internal/fmt/format.jule b/std/internal/fmt/format.jule
index 7faeda448..df5b4286b 100644
--- a/std/internal/fmt/format.jule
+++ b/std/internal/fmt/format.jule
@@ -113,7 +113,7 @@ fn applyFmt(mut &fmt: []byte, mut &buf: StrBuilder, mut &j: int, args: ...any) {
 // For this function, returned []byte is might be string literal actually.
 // Be careful about mutating it.
 fn Format(fmt: str, args: ...any): []byte {
-    mut fmtBytes := unsafe::BytesFromStr(fmt)
+    mut fmtBytes := unsafe::StrBytes(fmt)
     if len(args) == 0 {
         ret fmtBytes
     }