diff --git a/python/build/DMG_background.png b/python/build/DMG_background.png
index 8e3d0c523d33..4ecd7a7ee80b 100644
Binary files a/python/build/DMG_background.png and b/python/build/DMG_background.png differ
diff --git a/python/build/pycharm_build.gant b/python/build/pycharm_build.gant
index 647657d89a2f..1fd9b971b769 100644
--- a/python/build/pycharm_build.gant
+++ b/python/build/pycharm_build.gant
@@ -176,8 +176,8 @@ private communityEdition(Set usedJars) {
   //ant.copy(file: "${paths.sandboxCE}/artifacts/ideaIC-${buildNumber}.mac.zip", tofile: "$paths.artifacts/ideaIC-${buildNumber}.sit")
   def extraArgs = ["build.number": "PC-$buildNumber", "artifacts.path": "${paths.sandboxCE}/artifacts"]
   signMacZip("pycharm", extraArgs)
-  notifyArtifactBuilt("$paths.artifacts/ideaIC-${buildNumber}.sit")
-  buildDmg("pycharm", "${home}/python/build/DMG_background.png", extraArgs)
+  notifyArtifactBuilt("$paths.artifacts/pycharmPC-${buildNumber}.sit")
+  buildDmg("pycharm", "${home}/python/community/build/DMG_background.png", extraArgs)
   //ant.delete(file: "$paths.artifacts/ideaIC-${buildNumber}.sit")
 }
 
diff --git a/python/build/pycharm_community_build.gant b/python/build/pycharm_community_build.gant
index 8802ad7e5865..b48dfadc9754 100644
--- a/python/build/pycharm_community_build.gant
+++ b/python/build/pycharm_community_build.gant
@@ -382,7 +382,7 @@ private layoutMac(Map _args, String target) {
   Map args = new HashMap(_args)
   args.icns = "$pythonCommunityHome/resources/PyCharmCore.icns"
   args.bundleIdentifier = "com.jetbrains.pycharm"
-  args.platform_prefix = "Python"
+  args.platform_prefix = "PyCharmCore"
   args.help_id = "PY"
   args."idea.properties.path" = "${paths.distAll}/bin/idea.properties"
   args."idea.properties" = ["idea.no.jre.check": true, "ide.mac.useNativeClipboard": "false"];