diff --git a/src/Security/Cors/Implementations/CorsConfigImpl.pas b/src/Security/Cors/Implementations/CorsConfigImpl.pas
index 68ab1603a..aa0b03237 100644
--- a/src/Security/Cors/Implementations/CorsConfigImpl.pas
+++ b/src/Security/Cors/Implementations/CorsConfigImpl.pas
@@ -58,6 +58,10 @@     TCorsConfig = class(TInterfacedObject, ICorsConfig)
 
 implementation
 
+uses
+
+    SysUtils;
+
     function handleWildCard(const arr : TStringArray) : TStringArray;
     begin
         if (ansiMatchStr('*', arr)) then