diff --git a/package/python-pyqt/Config.in b/package/python-pyqt/Config.in
index d4544fa226..a50cb74a43 100644
--- a/package/python-pyqt/Config.in
+++ b/package/python-pyqt/Config.in
@@ -13,3 +13,13 @@ config BR2_PACKAGE_PYTHON_PYQT
 	  PyQt4 for Qt Embedded 4 bindings.
 
 	  http://www.riverbankcomputing.com/software/pyqt/
+
+if BR2_PACKAGE_PYTHON_PYQT
+
+config BR2_PACKAGE_PYTHON_PYQT_ARCH_USES_QREAL_FLOAT
+	bool
+	default y if BR2_arm || BR2_armeb
+	default y if BR2_sh4 || BR2_sh4eb || BR2_sh4a || BR2_sh4aeb
+	default y if (BR2_mipsel || BR2_mips) && BR2_PACKAGE_QT_EMBEDDED
+
+endif
diff --git a/package/python-pyqt/python-pyqt.mk b/package/python-pyqt/python-pyqt.mk
index 2363f7d062..2445567700 100644
--- a/package/python-pyqt/python-pyqt.mk
+++ b/package/python-pyqt/python-pyqt.mk
@@ -33,13 +33,19 @@ endif
 # Turn off features that aren't available in QWS and current qt
 # configuration.
 PYTHON_PYQT_QTDETAIL_DISABLE_FEATURES = \
-	PyQt_Accessibility PyQt_SessionManager PyQt_qreal_double \
+	PyQt_Accessibility PyQt_SessionManager \
 	PyQt_Shortcut PyQt_RawFont
 
 ifeq ($(BR2_PACKAGE_QT_OPENSSL),)
 PYTHON_PYQT_QTDETAIL_DISABLE_FEATURES += PyQt_OpenSSL
 endif
 
+# PyQt_qreal_double must be disabled on a number of architectures that
+# use float for qreal.
+ifeq ($(BR2_PACKAGE_PYTHON_PYQT_ARCH_USES_QREAL_FLOAT),y)
+PYTHON_PYQT_QTDETAIL_DISABLE_FEATURES += PyQt_qreal_double
+endif
+
 define PYTHON_PYQT_QTDETAIL
 	echo $(1) >> $(2)/qtdetail.out
 endef