diff --git a/ggml.h b/ggml.h
index 0f541b2e7..cf568b3e5 100644
--- a/ggml.h
+++ b/ggml.h
@@ -1494,7 +1494,7 @@ extern "C" {
             int                  d0,
             int                  d1,
             bool                 is_2D,
-	    enum ggml_type       dst_type);
+            enum ggml_type       dst_type);
 
     GGML_API struct ggml_tensor * ggml_conv_depthwise_2d(
             struct ggml_context * ctx,