diff --git a/ARMeilleure/CodeGen/X86/CodeGenerator.cs b/ARMeilleure/CodeGen/X86/CodeGenerator.cs
index 086ad90469..89c302f98e 100644
--- a/ARMeilleure/CodeGen/X86/CodeGenerator.cs
+++ b/ARMeilleure/CodeGen/X86/CodeGenerator.cs
@@ -1292,11 +1292,17 @@ namespace ARMeilleure.CodeGen.X86
                             int mask1 = 0b11_10_01_00;
 
                             mask0 = BitUtils.RotateRight(mask0,     index * 2, 8);
+                          //mask1 = BitUtils.RotateLeft (mask1,     index * 2, 8);
                             mask1 = BitUtils.RotateRight(mask1, 8 - index * 2, 8);
 
-                            context.Assembler.Pshufd(src1, src1, (byte)mask0);
-                            context.Assembler.Movss (dest, src1, src2);
-                            context.Assembler.Pshufd(src1, src1, (byte)mask1);
+                            context.Assembler.Pshufd(src1, src1, (byte)mask0); // Lane to be inserted in position 0.
+                            context.Assembler.Movss (dest, src1, src2);        // dest[127:0] = src1[127:32] | src2[31:0]
+                            context.Assembler.Pshufd(dest, dest, (byte)mask1); // Inserted lane in original position.
+
+                            if (dest.GetRegister() != src1.GetRegister())
+                            {
+                                context.Assembler.Pshufd(src1, src1, (byte)mask1); // Restore src1.
+                            }
                         }
                     }
                 }