diff --git a/external/sourcesdk/bitbuf.cpp b/external/sourcesdk/bitbuf.cpp
index 6c7e37a..217c6dd 100644
--- a/external/sourcesdk/bitbuf.cpp
+++ b/external/sourcesdk/bitbuf.cpp
@@ -181,7 +181,7 @@ void bf_write::SetDebugName( const char *pDebugName )
 	m_pDebugName = pDebugName;
 }
 
-void bf_write::SetErrorHandler(IBitBufOverErrorHandler* handler)
+void bf_write::SetErrorHandler(IBitBufErrorHandler* handler)
 {
 	m_errorHandler = handler;
 }
@@ -849,7 +849,7 @@ void bf_read::SetDebugName( const char *pName )
 	m_pDebugName = pName;
 }
 
-void bf_read::SetErrorHandler(IBitBufOverErrorHandler* handler)
+void bf_read::SetErrorHandler(IBitBufErrorHandler* handler)
 {
 	m_errorHandler = handler;
 }
diff --git a/external/sourcesdk/include/sourcesdk/bitbuf.h b/external/sourcesdk/include/sourcesdk/bitbuf.h
index 2f66f92..6c4e552 100644
--- a/external/sourcesdk/include/sourcesdk/bitbuf.h
+++ b/external/sourcesdk/include/sourcesdk/bitbuf.h
@@ -36,7 +36,7 @@ typedef enum
 	BITBUFERROR_NUM_ERRORS
 } BitBufErrorType;
 
-class IBitBufOverErrorHandler
+class IBitBufErrorHandler
 {
 public:
 	virtual bool HandleError(BitBufErrorType errorType, const char *pDebugName) = 0;
@@ -140,7 +140,7 @@ public:
 	const char*		GetDebugName();
 	void			SetDebugName( const char *pDebugName );
 
-	void			SetErrorHandler(IBitBufOverErrorHandler* handler);
+	void			SetErrorHandler(IBitBufErrorHandler* handler);
 	bool			CallErrorHandler(BitBufErrorType errorType);
 
 // Seek to a specific position.
@@ -245,7 +245,7 @@ private:
 
 	bool			m_bAssertOnOverflow;
 	const char		*m_pDebugName;
-	IBitBufOverErrorHandler* m_errorHandler;
+	IBitBufErrorHandler* m_errorHandler;
 };
 
 
@@ -508,7 +508,7 @@ public:
 	const char*		GetDebugName() const { return m_pDebugName; }
 	void			SetDebugName( const char *pName );
 
-	void			SetErrorHandler(IBitBufOverErrorHandler* handler);
+	void			SetErrorHandler(IBitBufErrorHandler* handler);
 	bool			CallErrorHandler(BitBufErrorType errorType);
 
 	void			ExciseBits( int startbit, int bitstoremove );
@@ -658,7 +658,7 @@ private:
 	bool			m_bAssertOnOverflow;
 
 	const char		*m_pDebugName;
-	IBitBufOverErrorHandler* m_errorHandler;
+	IBitBufErrorHandler* m_errorHandler;
 };
 
 //-----------------------------------------------------------------------------