diff --git a/candle-metal-kernels/src/indexing.metal b/candle-metal-kernels/src/indexing.metal
index 007f9fed..312b27c7 100644
--- a/candle-metal-kernels/src/indexing.metal
+++ b/candle-metal-kernels/src/indexing.metal
@@ -75,6 +75,7 @@ kernel void FN_NAME( \
 
 
 INDEX_OP(is_u32_f32, uint, float)
+INDEX_OP(is_u32_f16, uint, half)
 
 
 #if __METAL_VERSION__ >= 310