iOS: rcc does not detect .qrc files after first run of qmake in Qt Creator

Using the package qt-enterprise-mac-x64-android-ios-5.5.0-beta_2015-04-24_11-59-28-36.dmg
on OSX 10.9 and 10.10

• Open an example with a .qrc file (QtQuick Controls gallery or Sensors accelbubble for example)
• Select the kit 5.5.0 for ios device.
• try building the project.

The build fails with the following error message:

/Users/caroline/Qt5.5.0/beta_ios_36/5.5/ios/bin/rcc:-1: error: File does not exist '../accelbubble/accelbubble.qrc'

• Run qmake again
• Re-build
  => Build is successful