--- a/resources/systems/unix/es_find_rules.xml	2023-11-22 15:18:15.912747163 -0500
+++ b/resources/systems/unix/es_find_rules.xml	2023-11-22 15:20:38.628250448 -0500
@@ -45,6 +45,8 @@
             <entry>/usr/local/lib/libretro</entry>
             <!-- NetBSD repository -->
             <entry>/usr/pkg/lib/libretro</entry>
+            <!-- NixOS / Nixpkgs -->
+            <entry>/run/current-system/sw/lib/retroarch/cores</entry>
         </rule>
     </core>
     <emulator name="3DSEN-WINDOWS">
@@ -1079,4 +1081,4 @@
             <entry>~/bin/ZEsarUX/zesarux</entry>
         </rule>
     </emulator>
-</ruleList>
\ No newline at end of file
+</ruleList>