diff --git a/src/qml/jsruntime/jsruntime.pri b/src/qml/jsruntime/jsruntime.pri

index c27aaa9..05c86e8 100644

--- a/src/qml/jsruntime/jsruntime.pri

+++ b/src/qml/jsruntime/jsruntime.pri

@@ -105,6 +105,11 @@ SOURCES += \

     $$PWD/qv4string.cpp \

     $$PWD/qv4value.cpp

+linux-g++*:isEqual(QT_ARCH,i386):!no_sse2 {

+    QMAKE_CFLAGS += -msse2 -mfpmath=sse

+    QMAKE_CXXFLAGS += -msse2 -mfpmath=sse

+}

+

 valgrind {

     DEFINES += V4_USE_VALGRIND

 }

diff --git a/src/qml/jsruntime/qv4global_p.h b/src/qml/jsruntime/qv4global_p.h

index 1208f0f..31b9c38 100644

--- a/src/qml/jsruntime/qv4global_p.h

+++ b/src/qml/jsruntime/qv4global_p.h

@@ -69,7 +69,7 @@ inline double trunc(double d) { return d > 0 ? floor(d) : ceil(d); }

 //

 // NOTE: This should match the logic in qv4targetplatform_p.h!

-#if defined(Q_PROCESSOR_X86) && !defined(__ILP32__) \

+#if defined(Q_PROCESSOR_X86) && !defined(__ILP32__) && defined(__SSE2__) \

     && (defined(Q_OS_WIN) || defined(Q_OS_LINUX) || defined(Q_OS_QNX) || defined(Q_OS_FREEBSD))

 #define V4_ENABLE_JIT

 #elif defined(Q_PROCESSOR_X86_64) && !defined(__ILP32__) \

diff --git a/src/qml/qml/v8/qv8engine.cpp b/src/qml/qml/v8/qv8engine.cpp

index 39b816f..7aedf9e 100644

--- a/src/qml/qml/v8/qv8engine.cpp

+++ b/src/qml/qml/v8/qv8engine.cpp

@@ -121,7 +121,7 @@ QV8Engine::QV8Engine(QJSEngine* qq)

     , m_xmlHttpRequestData(0)

     , m_listModelData(0)

 {

-#ifdef Q_PROCESSOR_X86_32

+#if defined(Q_PROCESSOR_X86_32) && defined(__SSE2__)

     if (!qCpuHasFeature(SSE2)) {

         qFatal("This program requires an X86 processor that supports SSE2 extension, at least a Pentium 4 or newer");

     }