diff --git a/AK/OptionParser.cpp b/AK/OptionParser.cpp
index 2aa29fbe9df..5dc39b8fc48 100644
--- a/AK/OptionParser.cpp
+++ b/AK/OptionParser.cpp
@@ -5,6 +5,7 @@
  */
 
 #include <AK/OptionParser.h>
+#include <AK/Vector.h>
 
 namespace AK {
 
diff --git a/AK/OptionParser.h b/AK/OptionParser.h
index 62e55f77a2d..f44079778ab 100644
--- a/AK/OptionParser.h
+++ b/AK/OptionParser.h
@@ -9,7 +9,6 @@
 
 #include <AK/Format.h>
 #include <AK/StringView.h>
-#include <AK/Vector.h>
 
 namespace AK {