diff --git a/src/Console.php b/src/Console.php
index 6127296..f385cb2 100644
--- a/src/Console.php
+++ b/src/Console.php
@@ -755,8 +755,8 @@ class Console
         array_shift($historyArr);
         foreach ($historyArr as $line) {
             $tmp = @explode(" ", $line, 2);
-            $time = (isset($tmp{0})) ? $tmp{0} : null;
-            $command = (isset($tmp{1})) ? $tmp{1} : null;
+            $time = (isset($tmp[0])) ? $tmp[0] : null;
+            $command = (isset($tmp[1])) ? $tmp[1] : null;
             if ($time === null || $command === null || ! ctype_digit($time)) {
                 continue;
             }
diff --git a/src/Ipaddresses.php b/src/Ipaddresses.php
index 883d9c3..a940866 100644
--- a/src/Ipaddresses.php
+++ b/src/Ipaddresses.php
@@ -99,8 +99,8 @@ class Ipaddresses
             );
         }
         $tmp = explode("/", $ip);
-        $ip = $tmp{0};
-        $cidr = (isset($tmp{1})) ? $tmp{1} : null;
+        $ip = $tmp[0];
+        $cidr = (isset($tmp[1])) ? $tmp[1] : null;
         if ($cidr === null) {
             return false;
         }
@@ -127,8 +127,8 @@ class Ipaddresses
             );
         }
         $tmp = explode("/", $ip);
-        $ip = $tmp{0};
-        $cidr = (isset($tmp{1})) ? $tmp{1} : null;
+        $ip = $tmp[0];
+        $cidr = (isset($tmp[1])) ? $tmp[1] : null;
         if ($cidr === null) {
             return false;
         }