diff --git a/nixos/modules/services/web-apps/youtrack.nix b/nixos/modules/services/web-apps/youtrack.nix
index 8c675c642005..6ad38028a641 100644
--- a/nixos/modules/services/web-apps/youtrack.nix
+++ b/nixos/modules/services/web-apps/youtrack.nix
@@ -118,14 +118,14 @@ in
 
     systemd.services.youtrack = {
       environment.HOME = cfg.statePath;
-      environment.YOUTRACK_JVM_OPTS = "-Xmx${cfg.maxMemory} -XX:MaxMetaspaceSize=${cfg.maxMetaspaceSize} ${cfg.jvmOpts} ${extraAttr}";
+      environment.YOUTRACK_JVM_OPTS = "${extraAttr}";
       after = [ "network.target" ];
       wantedBy = [ "multi-user.target" ];
       serviceConfig = {
         Type = "simple";
         User = "youtrack";
         Group = "youtrack";
-        ExecStart = ''${cfg.package}/bin/youtrack ${cfg.address}:${toString cfg.port}'';
+        ExecStart = ''${cfg.package}/bin/youtrack --J-Xmx${cfg.maxMemory} --J-XX:MaxMetaspaceSize=${cfg.maxMetaspaceSize} ${cfg.jvmOpts} ${cfg.address}:${toString cfg.port}'';
       };
     };
 
diff --git a/pkgs/servers/jetbrains/youtrack.nix b/pkgs/servers/jetbrains/youtrack.nix
index 7e368bf295b6..0518a78f9d6b 100644
--- a/pkgs/servers/jetbrains/youtrack.nix
+++ b/pkgs/servers/jetbrains/youtrack.nix
@@ -1,28 +1,29 @@
-{ stdenv, fetchurl, makeWrapper, jre }:
+{ stdenv, fetchurl, makeWrapper, jre, gawk }:
 
 stdenv.mkDerivation rec {
   name = "youtrack-${version}";
-  version = "2018.1.41051";
+  version = "2018.2.44329";
 
   jar = fetchurl {
     url = "https://download.jetbrains.com/charisma/${name}.jar";
-    sha256 = "1sznay3lbyb2i977103hzh61rw1bpkdv0raffbir68apmvv1r0rb";
+    sha256 = "1fnnpyikr1x443vxy6f7vlv550sbahpps8awyn13jpg7kpgfm7lk";
   };
 
   buildInputs = [ makeWrapper ];
 
-  unpackPhase = "true";
+  unpackPhase = ":";
 
   installPhase = ''
     runHook preInstall
-    makeWrapper ${jre}/bin/java $out/bin/youtrack --add-flags "\$YOUTRACK_JVM_OPTS -jar $jar"
+    makeWrapper ${jre}/bin/java $out/bin/youtrack \
+      --add-flags "\$YOUTRACK_JVM_OPTS -jar $jar" \
+      --prefix PATH : "${stdenv.lib.makeBinPath [ gawk ]}" \
+      --set JRE_HOME ${jre}
     runHook postInstall
   '';
 
   meta = with stdenv.lib; {
-    description = ''
-      Issue Tracking and Project Management Tool for Developers
-    '';
+    description = "Issue tracking and project management tool for developers";
     maintainers = with maintainers; [ yorickvp ];
     # https://www.jetbrains.com/youtrack/buy/license.html
     license = licenses.unfree;