diff --git a/jpeg/jmorecfg.h b/jpeg/jmorecfg.h
index fcbde8f5245..43245dd6cef 100644
--- a/jpeg/jmorecfg.h
+++ b/jpeg/jmorecfg.h
@@ -111,7 +111,7 @@ typedef short JCOEF;
 #define HAVE_MMX_INTEL_MNEMONICS 
 
 /* SSE2 code appears broken for some cpus (bug 247437) */
-/* #define HAVE_SSE2_INTEL_MNEMONICS */
+#define HAVE_SSE2_INTEL_MNEMONICS
 #endif
 
 /* Compressed datastreams are represented as arrays of JOCTET.