diff --git a/src/beep.c b/src/beep.c
index b2b9817..d8728a0 100644
--- a/src/beep.c
+++ b/src/beep.c
@@ -133,9 +133,6 @@ error:
     fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
     return err;
 }
-void msleep(int d){
-    usleep(d*1000);
-}
 
 int beep(double freq_hz, double duration_sec)
 {
diff --git a/src/util.c b/src/util.c
index 2e7a245..b20327a 100644
--- a/src/util.c
+++ b/src/util.c
@@ -97,3 +97,7 @@ void *get_in_addr(struct sockaddr *sa)
 
 
 
+void msleep(int d){
+    usleep(d*1000);
+}
+
diff --git a/src/util.h b/src/util.h
index 81e8989..34db0da 100644
--- a/src/util.h
+++ b/src/util.h
@@ -2,4 +2,4 @@ void current_utc_time(struct timespec *ts);
 long fastclock(void);
 int kbhit (void);
 void *get_in_addr(struct sockaddr *sa);
-
+void msleep(int d);