diff --git a/src/index.js b/src/index.js
index 6cb1c26..ea567c9 100644
--- a/src/index.js
+++ b/src/index.js
@@ -51,7 +51,7 @@ const CONFIG = {
   DETECTION_PERCENTAGE_END: '10%',
   CLAP_AMPLITUDE_THRESHOLD: 0.7,
   CLAP_ENERGY_THRESHOLD: 0.3,
-  CLAP_MAX_DURATION: 1500,
+  CLAP_MAX_DURATION: 1.5,
   MAX_HISTORY_LENGTH: 100 // no need to maintain big history
 }