diff --git a/pkgs/development/compilers/dtc/default.nix b/pkgs/development/compilers/dtc/default.nix
index 09ef27fc3015..9cc60003201c 100644
--- a/pkgs/development/compilers/dtc/default.nix
+++ b/pkgs/development/compilers/dtc/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchgit, fetchpatch, flex, bison, pkgconfig, python2, swig, which }:
 
 stdenv.mkDerivation rec {
-  name = "dtc-${version}";
+  pname = "dtc";
   version = "1.4.7";
 
   src = fetchgit {
diff --git a/pkgs/misc/uboot/default.nix b/pkgs/misc/uboot/default.nix
index a8e46671caec..084cb33a7a21 100644
--- a/pkgs/misc/uboot/default.nix
+++ b/pkgs/misc/uboot/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, fetchpatch, bc, bison, dtc, flex, openssl, python2, swig
+{ stdenv, lib, fetchurl, fetchpatch, bc, bison, dtc, flex, openssl, swig
 , armTrustedFirmwareAllwinner
 , buildPackages
 }:
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d9af76373d9f..41b927632098 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -15302,9 +15302,35 @@ in
   # Non-upstream U-Boots:
   ubootNanonote = callPackage ../misc/uboot/nanonote.nix { };
 
-  ubootRock64 = callPackage ../misc/uboot/rock64.nix { };
+  inherit (let
+    dtc = buildPackages.dtc.overrideAttrs (old: rec {
+      version = "1.4.5";
+      src = fetchgit {
+        url = "https://git.kernel.org/pub/scm/utils/dtc/dtc.git";
+        rev = "refs/tags/v${version}";
+        sha256 = "10y5pbkcj5gkijcgnlvrh6q2prpnvsgihb9asz3zfp66mcjwzsy3";
+      };
+    });
+    # Newer dtc versions are incompatible with U-Boot 2017.09
+    inherit (callPackage ../misc/uboot {
+      inherit dtc;
+      buildPackages = buildPackages // {
+        python2 = buildPackages.python2.override (old: {
+          packageOverrides = pySelf: pySuper: {
+            libfdt = pySelf.toPythonModule dtc;
+          };
+        });
+      };
+    }) buildUBoot;
+  in {
+    ubootRock64 = callPackage ../misc/uboot/rock64.nix {
+      inherit buildUBoot;
+    };
 
-  ubootRockPro64 = callPackage ../misc/uboot/rockpro64.nix { };
+    ubootRockPro64 = callPackage ../misc/uboot/rockpro64.nix {
+      inherit buildUBoot;
+    };
+  }) ubootRock64 ubootRockPro64;
 
   uclibc = callPackage ../os-specific/linux/uclibc { };