diff --git a/csrc/kernels.cu b/csrc/kernels.cu
index ff122d376..f36f4a7e7 100644
--- a/csrc/kernels.cu
+++ b/csrc/kernels.cu
@@ -557,6 +557,8 @@ __launch_bounds__(BLOCK_SIZE / NUM_VALS, 1) __global__ void kPreconditionOptimiz
                 s1_vals[j] = s1_vals[j] / (sqrtf(s2_vals[j]) + eps); // update
                 s1_vals[j] *= s1_vals[j];                            // update l2 norm (update*update)
                 break;
+            case ADEMAMIX:
+                break;
             }
         }
 
diff --git a/csrc/kernels.hip b/csrc/kernels.hip
index 5959bd055..923a1eba1 100644
--- a/csrc/kernels.hip
+++ b/csrc/kernels.hip
@@ -594,6 +594,8 @@ __global__ void kPreconditionOptimizer32bit2State(T* g, T* p,
                   s1_vals[j] = s1_vals[j]/(sqrtf(s2_vals[j])+eps); // update
                   s1_vals[j] *= s1_vals[j]; // update l2 norm (update*update)
                   break;
+              case ADEMAMIX:
+                  break;
           }
       }