diff --git a/install.sh b/install.sh
index 47b791b..714cffe 100755
--- a/install.sh
+++ b/install.sh
@@ -49,8 +49,8 @@ PHP_TYPE=$2
 ############################
 
 PHP_INI_DIR="/etc/php/${PHP_VERSION}/${PHP_TYPE}"
-PHP_BIN="php${PHP_VERSION}"
-PHP_EXTENSION_DIR=$(php${PHP_VERSION} -i | grep extension_dir | cut -d " " -f 5)
+PHP_BIN="php"
+PHP_EXTENSION_DIR=$($PHP_BIN -i | grep extension_dir | cut -d " " -f 5)
 
 ######## BUILD ARGUMENTS###########
 #>>>> PHP_VERSION