diff --git a/pkgs/applications/misc/merkaartor/default.nix b/pkgs/applications/misc/merkaartor/default.nix
index 149546e46d2f..e643c212225b 100644
--- a/pkgs/applications/misc/merkaartor/default.nix
+++ b/pkgs/applications/misc/merkaartor/default.nix
@@ -3,13 +3,13 @@
 
 stdenv.mkDerivation rec {
   pname = "merkaartor";
-  version = "0.18.3";
+  version = "unstable-2019-11-12";
 
   src = fetchFromGitHub {
     owner = "openstreetmap";
     repo = "merkaartor";
-    rev = version;
-    sha256 = "0ls3q8m1hxiwyrypy6qca8wczhl4969ncl0sszfdwfv70rzxjk88";
+    rev = "29b3388680a03f1daac0037a2b504ea710da879a";
+    sha256 = "0h3d3srzl06p2ajq911j05zr4vkl88qij18plydx45yqmvyvh0xz";
   };
 
   nativeBuildInputs = [ makeWrapper qmake pkgconfig ];
@@ -30,6 +30,5 @@ stdenv.mkDerivation rec {
     homepage = http://merkaartor.be/;
     license = licenses.gpl2Plus;
     maintainers = with maintainers; [ ];
-    broken = true;  # Does not build with qt >= 5.12
   };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 4dd9e0059e13..70d25d14e3e8 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -19817,9 +19817,7 @@ in
 
   mercurialFull = appendToName "full" (pkgs.mercurial.override { guiSupport = true; });
 
-  merkaartor = libsForQt5.callPackage ../applications/misc/merkaartor {
-    gdal = gdal_2; # https://github.com/openstreetmap/merkaartor/issues/179
-  };
+  merkaartor = libsForQt5.callPackage ../applications/misc/merkaartor { };
 
   meshlab = libsForQt5.callPackage ../applications/graphics/meshlab { };