diff --git a/compiler/core/src/zserio/extension/common/FileUtil.java b/compiler/core/src/zserio/extension/common/FileUtil.java
index d28a7c885..27882ebc6 100644
--- a/compiler/core/src/zserio/extension/common/FileUtil.java
+++ b/compiler/core/src/zserio/extension/common/FileUtil.java
@@ -22,7 +22,7 @@ public static void createOutputDirectory(File outputFile) throws ZserioExtension
         if (parentDir.exists())
         {
             if (!parentDir.isDirectory())
-                throw new ZserioExtensionException("Can't create ouput directory because file with the same "
+                throw new ZserioExtensionException("Can't create output directory because file with the same "
                         + "name already exists: " + parentDir.toString());
         }
         else