diff --git a/library/Icingadb/Util/PluginOutput.php b/library/Icingadb/Util/PluginOutput.php
index 71d08b131..03055a9ef 100644
--- a/library/Icingadb/Util/PluginOutput.php
+++ b/library/Icingadb/Util/PluginOutput.php
@@ -64,6 +64,9 @@ class PluginOutput extends HtmlString
     /** @var bool Whether the output contains HTML */
     protected $isHtml;
 
+    /** @var int The maximum amount of characters to process */
+    protected $characterLimit = 1000;
+
     /** @var bool Whether output will be enriched */
     protected $enrichOutput = true;
 
@@ -93,6 +96,20 @@ public function isHtml(): bool
         return $this->isHtml;
     }
 
+    /**
+     * Set the maximum amount of characters to process
+     *
+     * @param int $limit
+     *
+     * @return $this
+     */
+    public function setCharacterLimit(int $limit): self
+    {
+        $this->characterLimit = $limit;
+
+        return $this;
+    }
+
     /**
      * Set whether the output should be enriched
      *
@@ -185,6 +202,10 @@ public function render()
             $output = $this->processHtml($output);
         }
 
+        if ($this->characterLimit) {
+            $output = substr($output, 0, $this->characterLimit);
+        }
+
         $this->renderedOutput = $output;
 
         return $output;
diff --git a/phpstan-baseline-standard.neon b/phpstan-baseline-standard.neon
index 960709e7e..d9d2d72e0 100644
--- a/phpstan-baseline-standard.neon
+++ b/phpstan-baseline-standard.neon
@@ -5067,7 +5067,7 @@ parameters:
 
 		-
 			message: "#^Parameter \\#1 \\$string of function substr expects string, string\\|null given\\.$#"
-			count: 2
+			count: 3
 			path: library/Icingadb/Util/PluginOutput.php
 
 		-