diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
index f04f6e11696..28c0dbd8928 100644
--- a/src/amd/vulkan/radv_pipeline.c
+++ b/src/amd/vulkan/radv_pipeline.c
@@ -265,6 +265,20 @@ opt_vectorize_callback(const nir_instr *instr, const void *_)
       return 1;
 
    const nir_alu_instr *alu = nir_instr_as_alu(instr);
+
+   switch (alu->op) {
+   case nir_op_f2e4m3fn:
+   case nir_op_f2e4m3fn_sat:
+   case nir_op_f2e4m3fn_satfn:
+   case nir_op_f2e5m2:
+   case nir_op_f2e5m2_sat:
+   case nir_op_e4m3fn2f:
+   case nir_op_e5m22f:
+      return 2;
+   default:
+      break;
+   }
+
    const unsigned bit_size = alu->def.bit_size;
    if (bit_size != 16)
       return 1;
@@ -587,8 +601,7 @@ radv_postprocess_nir(struct radv_device *device, const struct radv_graphics_stat
          NIR_PASS(_, stage->nir, nir_opt_dce);
       }
 
-      if (!stage->key.optimisations_disabled &&
-          ((stage->nir->info.bit_sizes_int | stage->nir->info.bit_sizes_float) & 16)) {
+      if (!stage->key.optimisations_disabled) {
          NIR_PASS(_, stage->nir, nir_opt_vectorize, opt_vectorize_callback, device);
       }
    }