diff --git a/src/ChromeDevtoolsProtocol/DevtoolsClient.php b/src/ChromeDevtoolsProtocol/DevtoolsClient.php
index 749dea4d..31e83934 100644
--- a/src/ChromeDevtoolsProtocol/DevtoolsClient.php
+++ b/src/ChromeDevtoolsProtocol/DevtoolsClient.php
@@ -111,9 +111,9 @@ public function awaitEvent(ContextInterface $ctx, string $method)
 				$this->handleMessage($message);
 			}
 
-            if (!empty($this->eventBuffers[$method])) {
-                return array_shift($this->eventBuffers[$method])->params;
-            }
+			if (!empty($this->eventBuffers[$method])) {
+				return array_shift($this->eventBuffers[$method])->params;
+			}
 		}
 	}
 
@@ -129,10 +129,10 @@ private function handleMessage($message)
 				}
 			}
 
-            if (!isset($this->eventBuffers[$message->method])) {
-                $this->eventBuffers[$message->method] = [];
-            }
-            array_push($this->eventBuffers[$message->method], $message);
+			if (!isset($this->eventBuffers[$message->method])) {
+				$this->eventBuffers[$message->method] = [];
+			}
+			array_push($this->eventBuffers[$message->method], $message);
 
 		} else if (isset($message->id)) {
 			$this->commandResults[$message->id] = $message->result ?? new \stdClass();
diff --git a/src/ChromeDevtoolsProtocol/Session.php b/src/ChromeDevtoolsProtocol/Session.php
index 502ac1fa..cbc2cee4 100644
--- a/src/ChromeDevtoolsProtocol/Session.php
+++ b/src/ChromeDevtoolsProtocol/Session.php
@@ -121,9 +121,9 @@ public function awaitEvent(ContextInterface $ctx, string $method)
 				$this->handleMessage(json_decode($receivedMessage->message));
 			}
 
-            if (!empty($this->eventBuffers[$method])) {
-                return array_shift($this->eventBuffers[$method])->params;
-            }
+			if (!empty($this->eventBuffers[$method])) {
+				return array_shift($this->eventBuffers[$method])->params;
+			}
 		}
 	}
 
@@ -142,10 +142,10 @@ private function handleMessage($message)
 				}
 			}
 
-            if (!isset($this->eventBuffers[$message->method])) {
-                $this->eventBuffers[$message->method] = [];
-            }
-            array_push($this->eventBuffers[$message->method], $message);
+			if (!isset($this->eventBuffers[$message->method])) {
+				$this->eventBuffers[$message->method] = [];
+			}
+			array_push($this->eventBuffers[$message->method], $message);
 
 		} else if (isset($message->id)) {
 			$this->commandResults[$message->id] = $message->result ?? new \stdClass();