diff --git a/Eigen/src/Core/arch/SSE/Complex.h b/Eigen/src/Core/arch/SSE/Complex.h
index 76d0206a3..6d67533e7 100644
--- a/Eigen/src/Core/arch/SSE/Complex.h
+++ b/Eigen/src/Core/arch/SSE/Complex.h
@@ -111,9 +111,10 @@ template<> EIGEN_STRONG_INLINE Packet2cf pset1<Packet2cf>(const std::complex<flo
 
 template<> EIGEN_STRONG_INLINE std::complex<float>  pfirst<Packet2cf>(const Packet2cf& a)
 {
-  #if (defined __GNUC__) && (__GNUC__==4) && (__GNUC_MINOR__==2) && (__GNUC_PATCHLEVEL__<=3)
-  // workaround gcc 4.2.1 ICE (mac's gcc version) - I'm not sure how the 4.2.2 and 4.2.3 deal with it, but 4.2.4 works well.
+  #if (defined __GNUC__) && (((__GNUC__==4) && (__GNUC_MINOR__==2) && (__GNUC_PATCHLEVEL__<=3)) || ((__GNUC__==4) && (__GNUC_MINOR__==3)))
+  // Workaround gcc 4.2.1 ICE (mac's gcc version) - I'm not sure how the 4.2.2 and 4.2.3 deal with it, but 4.2.4 works well.
   // this is not performance wise ideal, but who cares...
+  // This workaround also fix invalid code generation with gcc 4.3
   EIGEN_ALIGN16 std::complex<float> res[2];
   _mm_store_ps((float*)res, a.v);
   return res[0];