diff --git a/espeakup.h b/espeakup.h
index e8e89a7..7acdc98 100644
--- a/espeakup.h
+++ b/espeakup.h
@@ -68,7 +68,7 @@ struct synth_t {
 	int pitch;
 	int punct;
 	int rate;
-	char voice[10];
+	char voice[20];
 	int volume;
 	char *buf;
 	int len;