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
@@ -115,6 +115,11 @@ SOURCES += \
     $$PWD/qv4value.cpp \
     $$PWD/qv4executableallocator.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 a58beb3..85e8dc0 100644
--- a/src/qml/jsruntime/qv4global_p.h
+++ b/src/qml/jsruntime/qv4global_p.h
@@ -117,7 +117,7 @@ inline double trunc(double d) { return d > 0 ? floor(d) : ceil(d); }
 
 // Black list some platforms
 #if defined(V4_ENABLE_JIT)
-#if defined(Q_OS_IOS) || defined(Q_OS_TVOS)
+#if defined(Q_OS_IOS) || defined(Q_OS_TVOS) || (defined(Q_PROCESSOR_X86) && !defined(__SSE2__))
 #    undef V4_ENABLE_JIT
 #endif
 #endif
diff --git a/src/qml/qml/v8/qv8engine.cpp b/src/qml/qml/v8/qv8engine.cpp
index 39b816f..762ee61 100644
--- a/src/qml/qml/v8/qv8engine.cpp
+++ b/src/qml/qml/v8/qv8engine.cpp
@@ -131,7 +131,7 @@ QV8Engine::QV8Engine(QJSEngine* qq)
 {
 #ifdef Q_PROCESSOR_X86_32
     if (!qCpuHasFeature(SSE2)) {
-        qFatal("This program requires an X86 processor that supports SSE2 extension, at least a Pentium 4 or newer");
+        qDebug("This program requires an X86 processor that supports SSE2 extension, at least a Pentium 4 or newer, processors missing the extension are NOT supported to run QML2 code!");
     }
 #endif