diff --git a/App/audio.c b/App/audio.c
index 28265aea..bb2c6073 100644
--- a/App/audio.c
+++ b/App/audio.c
@@ -306,7 +306,7 @@ static void LoadVoiceSamples()
     {
         gVoiceBuf[gVoiceBufWriteIndex][i] = VOICE_SAMPLES[Buf[i]];
     }
-    VOCIE_BUF_ForwardWriteIndex();
+    VOICE_BUF_ForwardWriteIndex();
     gVoiceBufLen++;
 }
 
diff --git a/App/driver/voice.c b/App/driver/voice.c
index 92fa0636..e54bab5a 100644
--- a/App/driver/voice.c
+++ b/App/driver/voice.c
@@ -97,7 +97,7 @@ void VOICE_Start()
     if (gVoiceBufLen > 0)
     {
         memcpy(DAC_Buf, gVoiceBuf[gVoiceBufReadIndex], VOICE_BUF_SIZE);
-        VOCIE_BUF_ForwardReadIndex();
+        VOICE_BUF_ForwardReadIndex();
         gVoiceBufLen--;
     }
     else
@@ -110,7 +110,7 @@ void VOICE_Start()
                gVoiceBuf[gVoiceBufReadIndex], //
                VOICE_BUF_SIZE                 //
         );
-        VOCIE_BUF_ForwardReadIndex();
+        VOICE_BUF_ForwardReadIndex();
         gVoiceBufLen--;
     }
     else
@@ -141,7 +141,7 @@ void DMA1_Channel2_3_IRQHandler()
         if (gVoiceBufLen > 0)
         {
             memcpy(DAC_Buf, gVoiceBuf[gVoiceBufReadIndex], VOICE_BUF_SIZE);
-            VOCIE_BUF_ForwardReadIndex();
+            VOICE_BUF_ForwardReadIndex();
             gVoiceBufLen--;
         }
         else
@@ -158,7 +158,7 @@ void DMA1_Channel2_3_IRQHandler()
                    gVoiceBuf[gVoiceBufReadIndex], //
                    VOICE_BUF_SIZE                 //
             );
-            VOCIE_BUF_ForwardReadIndex();
+            VOICE_BUF_ForwardReadIndex();
             gVoiceBufLen--;
         }
         else
diff --git a/App/driver/voice.h b/App/driver/voice.h
index 8c49aa73..77c819cf 100644
--- a/App/driver/voice.h
+++ b/App/driver/voice.h
@@ -26,12 +26,12 @@ extern uint8_t gVoiceBufReadIndex;
 extern uint8_t gVoiceBufWriteIndex;
 extern uint8_t gVoiceBufLen;
 
-static inline void VOCIE_BUF_ForwardReadIndex()
+static inline void VOICE_BUF_ForwardReadIndex()
 {
     gVoiceBufReadIndex = (1 + gVoiceBufReadIndex) % VOICE_BUF_CAP;
 }
 
-static inline void VOCIE_BUF_ForwardWriteIndex()
+static inline void VOICE_BUF_ForwardWriteIndex()
 {
     gVoiceBufWriteIndex = (1 + gVoiceBufWriteIndex) % VOICE_BUF_CAP;
 }