diff --git a/infer/lib/infer_pack/models.py b/infer/lib/infer_pack/models.py
index 80127ed..ae9b7b4 100644
--- a/infer/lib/infer_pack/models.py
+++ b/infer/lib/infer_pack/models.py
@@ -617,7 +617,7 @@ class SynthesizerTrnMs256NSFsid(nn.Module):
         )
         self.emb_g = nn.Embedding(self.spk_embed_dim, gin_channels)
         logger.debug(
-            "gin_channels: " + gin_channels + ", self.spk_embed_dim: " + self.spk_embed_dim
+            "gin_channels: " + str(gin_channels) + ", self.spk_embed_dim: " + str(self.spk_embed_dim)
         )
 
     def remove_weight_norm(self):
@@ -735,7 +735,7 @@ class SynthesizerTrnMs768NSFsid(nn.Module):
         )
         self.emb_g = nn.Embedding(self.spk_embed_dim, gin_channels)
         logger.debug(
-            "gin_channels: " + gin_channels + ", self.spk_embed_dim: " + self.spk_embed_dim
+            "gin_channels: " + str(gin_channels) + ", self.spk_embed_dim: " + str(self.spk_embed_dim)
         )
 
     def remove_weight_norm(self):
@@ -850,7 +850,7 @@ class SynthesizerTrnMs256NSFsid_nono(nn.Module):
         )
         self.emb_g = nn.Embedding(self.spk_embed_dim, gin_channels)
         logger.debug(
-            "gin_channels: " + gin_channels + ", self.spk_embed_dim: " + self.spk_embed_dim
+            "gin_channels: " + str(gin_channels) + ", self.spk_embed_dim: " + str(self.spk_embed_dim)
         )
 
     def remove_weight_norm(self):
@@ -958,7 +958,7 @@ class SynthesizerTrnMs768NSFsid_nono(nn.Module):
         )
         self.emb_g = nn.Embedding(self.spk_embed_dim, gin_channels)
         logger.debug(
-            "gin_channels: " + gin_channels + ", self.spk_embed_dim: " + self.spk_embed_dim
+            "gin_channels: " + str(gin_channels) + ", self.spk_embed_dim: " + str(self.spk_embed_dim)
         )
 
     def remove_weight_norm(self):