diff --git a/README.md b/README.md
index 9cf02cf33..b1ddde191 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,4 @@
 #airgeddon
-Version 2.2<br>
 This is a DoS (Denial of Service) bash script for wireless networks.<br>
 
 #Requirements
diff --git a/airgeddon.sh b/airgeddon.sh
index c27be8271..7e297f192 100644
--- a/airgeddon.sh
+++ b/airgeddon.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-version="2.2"
+version="2.21"
 
 #Change these lines to select another default language
 language="english"
@@ -1317,7 +1317,11 @@ function detect_distro() {
 		language_strings $language 4 "yellow"
 		distro="Wifislax"
 		distro_language="spanish"
-		airmon="airmon-zc"
+
+		if hash airmon-zc 2> /dev/null; then
+			airmon="airmon-zc"
+		fi
+
 		if [ "$distro_language" != "$language" ]; then
 			echo
 			compatible=1
diff --git a/changelog.txt b/changelog.txt
index a9240a284..529dfe550 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -44,4 +44,8 @@ More color features
 Compatibility check minor bug fixed
 
 2.2
-Changes to manage Wifislax airmon command in a better way
\ No newline at end of file
+Changes to manage Wifislax airmon command in a better way
+
+2.21
+Compatibility Wifislax 64bits bug fixed
+Removed version from Readme file
\ No newline at end of file