diff --git a/codes/models/audio/mel2vec.py b/codes/models/audio/mel2vec.py
index 5901ba03..5be289d5 100644
--- a/codes/models/audio/mel2vec.py
+++ b/codes/models/audio/mel2vec.py
@@ -365,11 +365,11 @@ class Mel2Vec(nn.Module):
         super().__init__()
         self.input_blocks = nn.Sequential(nn.Conv1d(mel_input_channels, inner_dim//2, kernel_size=5, padding=2, stride=2),
                                           nn.GroupNorm(num_groups=8, num_channels=inner_dim//2, affine=True),
-                                          nn.SiLU(),
+                                          nn.GELU(),
                                           nn.Conv1d(inner_dim//2, inner_dim, kernel_size=3, padding=1, stride=2),
-                                          nn.SiLU(),
+                                          nn.GELU(),
                                           nn.Conv1d(inner_dim, inner_dim, kernel_size=3, padding=1),
-                                          nn.SiLU(),
+                                          nn.GELU(),
                                           )
         self.projector = Mel2Vec2FeatureProjection(inner_dim, dropout)
         self.masked_spec_embed = nn.Parameter(torch.rand(inner_dim,))