diff --git a/server/voice_changer/SoVitsSvc40v2/SoVitsSvc40v2.py b/server/voice_changer/SoVitsSvc40v2/SoVitsSvc40v2.py
index ac1d16c8..6168a357 100644
--- a/server/voice_changer/SoVitsSvc40v2/SoVitsSvc40v2.py
+++ b/server/voice_changer/SoVitsSvc40v2/SoVitsSvc40v2.py
@@ -137,6 +137,9 @@ class SoVitsSvc40v2:
     def get_processing_sampling_rate(self):
         return self.hps.data.sampling_rate
 
+    def get_processing_hop_length(self):
+        return self.hps.data.hop_length
+
     def get_unit_f0(self, audio_buffer, tran):
         wav_44k = audio_buffer
         # f0 = utils.compute_f0_parselmouth(wav, sampling_rate=self.target_sample, hop_length=self.hop_size)
diff --git a/server/voice_changer/VoiceChanger.py b/server/voice_changer/VoiceChanger.py
index 2e2511ed..4b80af80 100755
--- a/server/voice_changer/VoiceChanger.py
+++ b/server/voice_changer/VoiceChanger.py
@@ -147,6 +147,8 @@ class VoiceChanger():
     #  receivedData: tuple of short
     def on_request(self, receivedData: any):
         processing_sampling_rate = self.voiceChanger.get_processing_sampling_rate()
+        processing_hop_length = self.voiceChanger.get_processing_hop_length()
+
         print_convert_processing(f"------------ Convert processing.... ------------")
         # 前処理
         with Timer("pre-process") as t:
@@ -163,10 +165,9 @@ class VoiceChanger():
 
             if convertSize < 8192:
                 convertSize = 8192
-            # if convertSize % 128 != 0:  # モデルの出力のホップサイズで切り捨てが発生するので補う。
-            #     convertSize = convertSize + (128 - (convertSize % 128))
-            if convertSize % 512 != 0:  # モデルの出力のホップサイズで切り捨てが発生するので補う。
-                convertSize = convertSize + (512 - (convertSize % 512))
+
+            if convertSize % processing_hop_length != 0:  # モデルの出力のホップサイズで切り捨てが発生するので補う。
+                convertSize = convertSize + (processing_hop_length - (convertSize % processing_hop_length))
 
             overlapSize = min(self.settings.crossFadeOverlapSize, inputSize)
             cropRange = (-1 * (inputSize + overlapSize), -1 * overlapSize)