diff --git a/softsynth.c b/softsynth.c
index bb2e2f0..0a7f81e 100644
--- a/softsynth.c
+++ b/softsynth.c
@@ -168,7 +168,7 @@ void main_loop(struct synth_t *s)
 		if (cp) {
 			queue_clear();
 			stop_speech();
-			strcpy(buf, cp+1);
+			memmove(buf, cp+1, strlen(cp + 1));
 			length = strlen(buf);
 		}
 		process_buffer(s, buf, length);