diff --git a/src/device/r4300/cp1.c b/src/device/r4300/cp1.c
index c744f1b65..4426728e0 100644
--- a/src/device/r4300/cp1.c
+++ b/src/device/r4300/cp1.c
@@ -110,7 +110,7 @@ void set_fpr_pointers(struct cp1* cp1, uint32_t newStatus)
     {
         for (i = 0; i < 32; i++)
         {
-            (r4300_cp1_regs_simple(cp1))[i] = &cp1->regs[i & ~1].float32[i & 1 ^ DOUBLE_HALF_XOR];
+            (r4300_cp1_regs_simple(cp1))[i] = &cp1->regs[i & ~1].float32[(i & 1) ^ DOUBLE_HALF_XOR];
             (r4300_cp1_regs_double(cp1))[i] = &cp1->regs[i & ~1].float64;
         }
     }