diff --git a/src/compressed_tensors/compressors/model_compressors/model_compressor.py b/src/compressed_tensors/compressors/model_compressors/model_compressor.py
index 4e24b2fb..78ab6422 100644
--- a/src/compressed_tensors/compressors/model_compressors/model_compressor.py
+++ b/src/compressed_tensors/compressors/model_compressors/model_compressor.py
@@ -312,7 +312,7 @@ def decompress(self, model_path: str, model: Module):
 
         if (
             self.sparsity_compressor is not None
-            and self.sparsity_config.format != "dense"
+            and self.sparsity_config.format != CompressionFormat.dense.value
         ):
             # Sparse decompression is applied on the model_path
             dense_gen = self.sparsity_compressor.decompress(model_path)