diff --git a/pkgs/development/tools/build-managers/simple-build-tool/default.nix b/pkgs/development/tools/build-managers/sbt/default.nix
similarity index 87%
rename from pkgs/development/tools/build-managers/simple-build-tool/default.nix
rename to pkgs/development/tools/build-managers/sbt/default.nix
index b54f894d8eb..39937f7d378 100644
--- a/pkgs/development/tools/build-managers/simple-build-tool/default.nix
+++ b/pkgs/development/tools/build-managers/sbt/default.nix
@@ -14,8 +14,7 @@ stdenv.mkDerivation rec {
   installPhase = ''
     mkdir -p $out/bin
     cat > $out/bin/sbt << EOF
-    #!/bin/sh
-    SBT_OPTS="-Xms512M -Xmx1536M -Xss1M -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=384M"
+    #! ${stdenv.shell}
     ${jre}/bin/java \$SBT_OPTS -jar ${src} "\$@"
     EOF
     chmod +x $out/bin/sbt
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index eb8706f779e..13dc355afb2 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4314,7 +4314,8 @@ let
 
   scons = callPackage ../development/tools/build-managers/scons { };
 
-  simpleBuildTool = callPackage ../development/tools/build-managers/simple-build-tool { };
+  sbt = callPackage ../development/tools/build-managers/sbt { };
+  simpleBuildTool = sbt;
 
   sigrok-cli = callPackage ../development/tools/sigrok-cli { };
 
@@ -7219,7 +7220,7 @@ let
   tomcat8 = callPackage ../servers/http/tomcat/8.0.nix { };
 
   tomcat_mysql_jdbc = callPackage ../servers/http/tomcat/jdbc/mysql { };
-  
+
   torque = callPackage ../servers/computing/torque { };
 
   axis2 = callPackage ../servers/http/tomcat/axis2 { };