diff --git a/interrupt.c b/interrupt.c
index 9919da4..6f215ae 100644
--- a/interrupt.c
+++ b/interrupt.c
@@ -84,6 +84,8 @@ int int_unregister(int pin) {
         return 1;
     }
 
+    usleep(50000); /* sleep 50 ms */
+
     return 0;
 }