diff --git a/tools/mkspecs/iphonedevice-clang/qmake.conf b/tools/mkspecs/iphonedevice-clang/qmake.conf
index a313bcaee0..dc35e4e896 100644
--- a/tools/mkspecs/iphonedevice-clang/qmake.conf
+++ b/tools/mkspecs/iphonedevice-clang/qmake.conf
@@ -21,19 +21,19 @@ QMAKE_COMPILER            = clang
 QMAKE_CC                  = clang   -arch $$BUILD_ARCH
 QMAKE_CXX                 = clang++ -arch $$BUILD_ARCH
 
-QMAKE_RESOURCE            = 
+QMAKE_RESOURCE            =
 
 QMAKE_EXTENSION_SHLIB     = dylib
 
 QMAKE_LIBDIR              =
 QMAKE_INCDIR_QT           = $$[QT_INSTALL_HEADERS]
 QMAKE_LIBDIR_QT           = $$[QT_INSTALL_LIBS]
-QMAKE_INCDIR_OPENGL       = 
+QMAKE_INCDIR_OPENGL       =
 
 QMAKE_FIX_RPATH           = install_name_tool -id 
 
 QMAKE_LIBS_DYNLOAD        =
-QMAKE_LIBS_OPENGL         = 
+QMAKE_LIBS_OPENGL         =
 QMAKE_LIBS_OPENGL_QT      = $$QMAKE_LIBS_OPENGL
 QMAKE_LIBS_THREAD         =
 
@@ -56,8 +56,8 @@ QMAKE_DEL_DIR             = rmdir
 QMAKE_CHK_DIR_EXISTS      = test -d
 QMAKE_MKDIR               = mkdir -p
 
-QMAKE_PREFIX_SHLIB        = lib                                                                                                                                                      
-QMAKE_PREFIX_STATICLIB    = lib                                                                                                                                                      
+QMAKE_PREFIX_SHLIB        = lib
+QMAKE_PREFIX_STATICLIB    = lib
 QMAKE_EXTENSION_STATICLIB = a
 
 QMAKE_COMPILER_DEFINES    += __GNUC__
@@ -88,7 +88,7 @@ QMAKE_CFLAGS_DWARF2       += -gdwarf-2
 
 QMAKE_OBJECTIVE_CFLAGS    += $$QMAKE_CFLAGS -fobjc-abi-version=2 -fobjc-legacy-dispatch $$QMAKE_CFLAGS_HIDESYMS
 
-QMAKE_CXXFLAGS            += $$QMAKE_CFLAGS
+QMAKE_CXXFLAGS            += $$QMAKE_CFLAGS -stdlib=libstdc++
 QMAKE_CXXFLAGS_DEPS       += $$QMAKE_CFLAGS_DEPS
 QMAKE_CXXFLAGS_WARN_ON    += $$QMAKE_CFLAGS_WARN_ON
 QMAKE_CXXFLAGS_WARN_OFF   += $$QMAKE_CFLAGS_WARN_OFF