diff --git a/meta/classes/qt4x11.bbclass b/meta/classes/qt4x11.bbclass
index abb1d9d2e4..ee2cdca3ad 100644
--- a/meta/classes/qt4x11.bbclass
+++ b/meta/classes/qt4x11.bbclass
@@ -1,4 +1,4 @@
-DEPENDS_prepend = "${@["qt4-x11-free ", ""][(bb.data.getVar('PN', d, 1)[:12] == 'qt4-x11-free')]}"
+DEPENDS_prepend = "${@["qt4-x11-free ", ""][(bb.data.getVar('BPN', d, True)[:12] == 'qt4-x11-free')]}"
 
 inherit qmake2