diff --git a/modules/services/picom.nix b/modules/services/picom.nix
index e13688096..1d9b7bb55 100644
--- a/modules/services/picom.nix
+++ b/modules/services/picom.nix
@@ -5,7 +5,7 @@ let
   inherit (lib)
     boolToString concatMapStringsSep concatStringsSep escape literalExpression
     mapAttrsToList mkEnableOption mkRenamedOptionModule mkRemovedOptionModule
-    mkDefault mkIf mkOption optional types warn;
+    mkDefault mkIf mkOption optional types warn getExe;
 
   cfg = config.services.picom;
   opt = options.services.picom;
@@ -318,7 +318,7 @@ in {
 
       Service = {
         ExecStart = concatStringsSep " " ([
-          "${cfg.package}/bin/picom"
+          "${getExe cfg.package}"
           "--config ${config.xdg.configFile."picom/picom.conf".source}"
         ] ++ cfg.extraArgs);
         Restart = "always";
diff --git a/tests/modules/services/picom/picom-basic-configuration-expected.service b/tests/modules/services/picom/picom-basic-configuration-expected.service
index 6aeef2249..f5d0efeb0 100644
--- a/tests/modules/services/picom/picom-basic-configuration-expected.service
+++ b/tests/modules/services/picom/picom-basic-configuration-expected.service
@@ -2,7 +2,7 @@
 WantedBy=graphical-session.target
 
 [Service]
-ExecStart=@picom@/bin/picom --config /nix/store/00000000000000000000000000000000-hm_picompicom.conf --legacy-backends
+ExecStart=@picom@/bin/dummy --config /nix/store/00000000000000000000000000000000-hm_picompicom.conf --legacy-backends
 Restart=always
 RestartSec=3