diff --git a/pkgs/development/compilers/dtc/default.nix b/pkgs/development/compilers/dtc/default.nix
index adc3ed7aaac8..60bce2f6e458 100644
--- a/pkgs/development/compilers/dtc/default.nix
+++ b/pkgs/development/compilers/dtc/default.nix
@@ -101,5 +101,6 @@ stdenv.mkDerivation (finalAttrs: {
     license = licenses.gpl2Plus; # dtc itself is GPLv2, libfdt is dual GPL/BSD
     maintainers = [ maintainers.dezgeg ];
     platforms = platforms.unix;
+    mainProgram = "dtc";
   };
 })