diff --git a/res/res_fax.c b/res/res_fax.c
index bc07195eeb..073777a904 100644
--- a/res/res_fax.c
+++ b/res/res_fax.c
@@ -3343,7 +3343,7 @@ static struct ast_frame *fax_detect_framehook(struct ast_channel *chan, struct a
 	case AST_FRAME_VOICE:
 		/* we have no DSP this means we not detecting CNG */
 		if (!faxdetect->dsp) {
-			break;
+			return f;
 		}
 		/* We can only process some formats*/
 		switch (f->subclass.format.id) {