diff --git a/ggml.c b/ggml.c
index 1cc656c..73b0694 100644
--- a/ggml.c
+++ b/ggml.c
@@ -1904,27 +1904,27 @@ int32_t ggml_get_i32_1d(const struct ggml_tensor * tensor, int i) {
             {
                 GGML_ASSERT(tensor->nb[0] == sizeof(int8_t));
                 return ((int8_t *)(tensor->data))[i];
-            }
+            } break;
         case GGML_TYPE_I16:
             {
                 GGML_ASSERT(tensor->nb[0] == sizeof(int16_t));
                 return ((int16_t *)(tensor->data))[i];
-            }
+            } break;
         case GGML_TYPE_I32:
             {
                 GGML_ASSERT(tensor->nb[0] == sizeof(int32_t));
                 return ((int32_t *)(tensor->data))[i];
-            }
+            } break;
         case GGML_TYPE_F16:
             {
                 GGML_ASSERT(tensor->nb[0] == sizeof(ggml_fp16_t));
                 return GGML_FP16_TO_FP32(((ggml_fp16_t *)(tensor->data))[i]);
-            }
+            } break;
         case GGML_TYPE_F32:
             {
                 GGML_ASSERT(tensor->nb[0] == sizeof(float));
                 return ((float *)(tensor->data))[i];
-            }
+            } break;
         case GGML_TYPE_COUNT:
             {
                 GGML_ASSERT(false);
@@ -1974,27 +1974,27 @@ float ggml_get_f32_1d(const struct ggml_tensor * tensor, int i) {
             {
                 GGML_ASSERT(tensor->nb[0] == sizeof(int8_t));
                 return ((int8_t *)(tensor->data))[i];
-            }
+            } break;
         case GGML_TYPE_I16:
             {
                 GGML_ASSERT(tensor->nb[0] == sizeof(int16_t));
                 return ((int16_t *)(tensor->data))[i];
-            }
+            } break;
         case GGML_TYPE_I32:
             {
                 GGML_ASSERT(tensor->nb[0] == sizeof(int32_t));
                 return ((int32_t *)(tensor->data))[i];
-            }
+            } break;
         case GGML_TYPE_F16:
             {
                 GGML_ASSERT(tensor->nb[0] == sizeof(ggml_fp16_t));
                 return GGML_FP16_TO_FP32(((ggml_fp16_t *)(tensor->data))[i]);
-            }
+            } break;
         case GGML_TYPE_F32:
             {
                 GGML_ASSERT(tensor->nb[0] == sizeof(float));
                 return ((float *)(tensor->data))[i];
-            }
+            } break;
         case GGML_TYPE_COUNT:
             {
                 GGML_ASSERT(false);
diff --git a/whisper.cpp b/whisper.cpp
index b0d223e..76fcd30 100644
--- a/whisper.cpp
+++ b/whisper.cpp
@@ -2251,7 +2251,9 @@ void whisper_free(struct whisper_context * ctx) {
         if (ctx->model.ctx_mem) {
             ggml_free(ctx->model.ctx_mem);
         }
-        delete ctx->buf_model;
+        if (ctx->buf_model) {
+            delete ctx->buf_model;
+        }
         delete ctx;
     }
 }