diff --git a/softsynth.c b/softsynth.c
index 0a7f81e..bfa9969 100644
--- a/softsynth.c
+++ b/softsynth.c
@@ -168,7 +168,7 @@ void main_loop(struct synth_t *s)
 		if (cp) {
 			queue_clear();
 			stop_speech();
-			memmove(buf, cp+1, strlen(cp + 1));
+			memmove(buf, cp+1, strlen(cp + 1) + 1);
 			length = strlen(buf);
 		}
 		process_buffer(s, buf, length);