diff --git a/src/CSSList/CSSList.php b/src/CSSList/CSSList.php
index 8d4a1c10..3d606cc3 100644
--- a/src/CSSList/CSSList.php
+++ b/src/CSSList/CSSList.php
@@ -160,7 +160,7 @@ private static function parseAtRule(ParserState $parserState)
         $iIdentifierLineNum = $parserState->currentLine();
         $parserState->consumeWhiteSpace();
         if ($identifier === 'import') {
-            $oLocation = URL::parse($parserState);
+            $location = URL::parse($parserState);
             $parserState->consumeWhiteSpace();
             $mediaQuery = null;
             if (!$parserState->comes(';')) {
@@ -170,7 +170,7 @@ private static function parseAtRule(ParserState $parserState)
                 }
             }
             $parserState->consumeUntil([';', ParserState::EOF], true, true);
-            return new Import($oLocation, $mediaQuery, $iIdentifierLineNum);
+            return new Import($location, $mediaQuery, $iIdentifierLineNum);
         } elseif ($identifier === 'charset') {
             $oCharsetString = CSSString::parse($parserState);
             $parserState->consumeWhiteSpace();
diff --git a/src/Property/Import.php b/src/Property/Import.php
index 80cd4c56..636ec58b 100644
--- a/src/Property/Import.php
+++ b/src/Property/Import.php
@@ -16,7 +16,7 @@ class Import implements AtRule
     /**
      * @var URL
      */
-    private $oLocation;
+    private $location;
 
     /**
      * @var string
@@ -37,9 +37,9 @@ class Import implements AtRule
      * @param string $mediaQuery
      * @param int $lineNumber
      */
-    public function __construct(URL $oLocation, $mediaQuery, $lineNumber = 0)
+    public function __construct(URL $location, $mediaQuery, $lineNumber = 0)
     {
-        $this->oLocation = $oLocation;
+        $this->location = $location;
         $this->mediaQuery = $mediaQuery;
         $this->lineNumber = $lineNumber;
         $this->comments = [];
@@ -54,11 +54,11 @@ public function getLineNo()
     }
 
     /**
-     * @param URL $oLocation
+     * @param URL $location
      */
-    public function setLocation($oLocation): void
+    public function setLocation($location): void
     {
-        $this->oLocation = $oLocation;
+        $this->location = $location;
     }
 
     /**
@@ -66,7 +66,7 @@ public function setLocation($oLocation): void
      */
     public function getLocation()
     {
-        return $this->oLocation;
+        return $this->location;
     }
 
     public function __toString(): string
@@ -76,7 +76,7 @@ public function __toString(): string
 
     public function render(OutputFormat $oOutputFormat): string
     {
-        return $oOutputFormat->comments($this) . '@import ' . $this->oLocation->render($oOutputFormat)
+        return $oOutputFormat->comments($this) . '@import ' . $this->location->render($oOutputFormat)
             . ($this->mediaQuery === null ? '' : ' ' . $this->mediaQuery) . ';';
     }
 
@@ -90,7 +90,7 @@ public function atRuleName(): string
      */
     public function atRuleArgs(): array
     {
-        $aResult = [$this->oLocation];
+        $aResult = [$this->location];
         if ($this->mediaQuery) {
             \array_push($aResult, $this->mediaQuery);
         }