diff --git a/Business/Finance/Lorenzkurve.php b/Business/Finance/Lorenzkurve.php
index ffa0d2d0f..35f0c52cb 100644
--- a/Business/Finance/Lorenzkurve.php
+++ b/Business/Finance/Lorenzkurve.php
@@ -45,7 +45,7 @@ final class Lorenzkurve
         foreach ($data as $key => $value) {
             $sum1 += $i * $value;
             $sum2 += $value;
-            $i++;
+            ++$i;
         }
 
         return 2 * $sum1 / ($n * $sum2) - ($n + 1) / $n;
diff --git a/DataStorage/Database/Query/Builder.php b/DataStorage/Database/Query/Builder.php
index c4333826e..61512c9d3 100644
--- a/DataStorage/Database/Query/Builder.php
+++ b/DataStorage/Database/Query/Builder.php
@@ -500,7 +500,7 @@ class Builder extends BuilderAbstract
                 'boolean'  => $boolean[$i],
             ];
 
-            $i++;
+            ++$i;
         }
 
         return $this;
@@ -1244,7 +1244,7 @@ class Builder extends BuilderAbstract
                 'boolean'  => $boolean[$i],
             ];
 
-            $i++;
+            ++$i;
         }
 
         return $this;
diff --git a/Math/Number/Integer.php b/Math/Number/Integer.php
index 86b2f8daf..72c99e5d7 100644
--- a/Math/Number/Integer.php
+++ b/Math/Number/Integer.php
@@ -164,7 +164,7 @@ final class Integer
         $i  = 1;
 
         while (!Numbers::isSquare($b2) && $i < $limit) {
-            $i++;
+            ++$i;
             $a += 1;
             $b2 = ($a * $a - $value);
         }
diff --git a/Math/Number/Prime.php b/Math/Number/Prime.php
index 7938c534a..d03215ca4 100644
--- a/Math/Number/Prime.php
+++ b/Math/Number/Prime.php
@@ -173,7 +173,7 @@ final class Prime
                 return false;
             }
 
-            $i++;
+            ++$i;
         }
 
         return true;
diff --git a/Utils/IO/Csv/CsvSettings.php b/Utils/IO/Csv/CsvSettings.php
index 73bf2433b..341c9abd0 100644
--- a/Utils/IO/Csv/CsvSettings.php
+++ b/Utils/IO/Csv/CsvSettings.php
@@ -44,7 +44,7 @@ class CsvSettings
         }
 
         while ($line !== false && $i < $checkLines) {
-            $i++;
+            ++$i;
 
             foreach ($delimiters as $delimiter) {
                 $regExp = '/[' . $delimiter . ']/';
diff --git a/Utils/Permutation.php b/Utils/Permutation.php
index 8a98c1f93..df7eeea2b 100644
--- a/Utils/Permutation.php
+++ b/Utils/Permutation.php
@@ -128,7 +128,7 @@ final class Permutation
             $temp                = $toPermute[$i];
             $toPermute[$i]       = $toPermute[$pos - 1];
             $toPermute[$pos - 1] = $temp;
-            $i++;
+            ++$i;
         }
 
         return $toPermute;