diff --git a/tools/mkspecs/iphonedevice-g++42/qmake.conf b/tools/mkspecs/iphonedevice-g++42/qmake.conf
index b5c687e3f1..c13a625d3c 100644
--- a/tools/mkspecs/iphonedevice-g++42/qmake.conf
+++ b/tools/mkspecs/iphonedevice-g++42/qmake.conf
@@ -38,7 +38,7 @@ QMAKE_MOC                 = $$[QT_INSTALL_BINS]/moc
 QMAKE_UIC                 = $$[QT_INSTALL_BINS]/uic
 
 #QMAKE_AR                 = ar cq
-QMAKE_AR                  = libtool -static -arch_only $$DEVICE_ARCH -syslibroot $$IPHONE_SDK_PATH -o
+QMAKE_AR                  = libtool -static -syslibroot $$IPHONE_SDK_PATH -o
 #QMAKE_RANLIB             = ranlib -s
 
 QMAKE_TAR                 = tar -cf