diff --git a/ggml-metal.metal b/ggml-metal.metal
index 7e0f4d3f9..3ffe5aa0f 100644
--- a/ggml-metal.metal
+++ b/ggml-metal.metal
@@ -700,6 +700,7 @@ kernel void kernel_rope(
         constant     float & freq_base,
         constant     float & freq_scale,
         uint  tiitg[[thread_index_in_threadgroup]],
+        uint3 tptg[[threads_per_threadgroup]],
         uint3 tgpig[[threadgroup_position_in_grid]]) {
     const int64_t i3 = tgpig[2];
     const int64_t i2 = tgpig[1];
@@ -713,7 +714,7 @@ kernel void kernel_rope(
     const float inv_ndims = -1.f/n_dims;
 
     if (!is_neox) {
-        for (int64_t i0 = 2*tiitg; i0 < ne0; i0 += 64) {
+        for (int64_t i0 = 2*tiitg; i0 < ne0; i0 += 2*tptg.x) {
 
             const float theta = theta_0 * pow(freq_base, inv_ndims*i0);
             const float cos_theta = cos(theta);
@@ -730,7 +731,7 @@ kernel void kernel_rope(
         }
     } else {
         for (int64_t ib = 0; ib < ne0/n_dims; ++ib) {
-            for (int64_t ic = 2*tiitg; ic < n_dims; ic += 64) {
+            for (int64_t ic = 2*tiitg; ic < n_dims; ic += 2*tptg.x) {
 
                 const float theta = theta_0 * pow(freq_base, inv_ndims*ic - ib);
                 const float cos_theta = cos(theta);