diff --git a/ggml-metal.metal b/ggml-metal.metal
index db9ade4ba..23bd7a194 100644
--- a/ggml-metal.metal
+++ b/ggml-metal.metal
@@ -4515,8 +4515,8 @@ void kernel_mul_mv_iq3_xs_f32_impl(
                 const threadgroup uint8_t * grid1 = (const threadgroup uint8_t *)(values + (qs[2*l+0] | ((qh[0] << (8-2*l)) & 256)));
                 const threadgroup uint8_t * grid2 = (const threadgroup uint8_t *)(values + (qs[2*l+1] | ((qh[0] << (7-2*l)) & 256)));
                 for (int j = 0; j < 4; ++j) {
-                    sum[0] += yl[8*l + j + 0] * grid1[j] * (signs[l] & kmask_iq2xs[j+0] ? -1.f : 1.f);
-                    sum[1] += yl[8*l + j + 4] * grid2[j] * (signs[l] & kmask_iq2xs[j+4] ? -1.f : 1.f);
+                    sum[0] += yl[8*l + j + 0] * grid1[j] * select(1, -1, signs[l] & kmask_iq2xs[j+0]);
+                    sum[1] += yl[8*l + j + 4] * grid2[j] * select(1, -1, signs[l] & kmask_iq2xs[j+4]);
                 }
             }
             sumf[row] += d * (sum[0] + sum[1]);
@@ -5179,14 +5179,14 @@ void dequantize_iq3_xs(device const block_iq3_xs * xb, short il, thread type4x4
     constant uint8_t * grid1 = (constant uint8_t *)(iq3xs_grid + (qs[4*il+0] | ((qh << 8) & 256)));
     constant uint8_t * grid2 = (constant uint8_t *)(iq3xs_grid + (qs[4*il+1] | ((qh << 7) & 256)));
     for (int i = 0; i < 4; ++i) {
-        reg[0][i] = dl * grid1[i] * (signs[0] & kmask_iq2xs[i+0] ? -1 : 1);
-        reg[1][i] = dl * grid2[i] * (signs[0] & kmask_iq2xs[i+4] ? -1 : 1);
+        reg[0][i] = dl * grid1[i] * select(1, -1, signs[0] & kmask_iq2xs[i+0]);
+        reg[1][i] = dl * grid2[i] * select(1, -1, signs[0] & kmask_iq2xs[i+4]);
     }
     grid1 = (constant uint8_t *)(iq3xs_grid + (qs[4*il+2] | ((qh << 6) & 256)));
     grid2 = (constant uint8_t *)(iq3xs_grid + (qs[4*il+3] | ((qh << 5) & 256)));
     for (int i = 0; i < 4; ++i) {
-        reg[2][i] = dl * grid1[i] * (signs[1] & kmask_iq2xs[i+0] ? -1 : 1);
-        reg[3][i] = dl * grid2[i] * (signs[1] & kmask_iq2xs[i+4] ? -1 : 1);
+        reg[2][i] = dl * grid1[i] * select(1, -1, signs[1] & kmask_iq2xs[i+0]);
+        reg[3][i] = dl * grid2[i] * select(1, -1, signs[1] & kmask_iq2xs[i+4]);
     }
 }