diff --git a/pkgs/applications/misc/merkaartor/default.nix b/pkgs/applications/misc/merkaartor/default.nix
index 0833464f2c2..dec55e9c1e5 100644
--- a/pkgs/applications/misc/merkaartor/default.nix
+++ b/pkgs/applications/misc/merkaartor/default.nix
@@ -18,6 +18,8 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
+  NIX_CFLAGS_COMPILE = [ "-DACCEPT_USE_OF_DEPRECATED_PROJ_API_H" ];
+
   postInstall = ''
     wrapProgram $out/bin/merkaartor \
       --set QT_QPA_PLATFORM_PLUGIN_PATH ${qtbase.bin}/lib/qt-*/plugins/platforms
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e75dd15fddd..06c76e7a814 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -19056,7 +19056,9 @@ in
 
   mercurialFull = appendToName "full" (pkgs.mercurial.override { guiSupport = true; });
 
-  merkaartor = libsForQt59.callPackage ../applications/misc/merkaartor { };
+  merkaartor = libsForQt59.callPackage ../applications/misc/merkaartor {
+    gdal = gdal_2; # https://github.com/openstreetmap/merkaartor/issues/179
+  };
 
   meshlab = libsForQt5.callPackage ../applications/graphics/meshlab { };