diff --git a/src/util/inc/tfile.h b/src/util/inc/tfile.h
index b32f297d9c..066040170e 100644
--- a/src/util/inc/tfile.h
+++ b/src/util/inc/tfile.h
@@ -35,7 +35,7 @@ int64_t tfWrite(int64_t tfd, void *buf, int64_t count);
 int64_t tfRead(int64_t tfd, void *buf, int64_t count);
 int32_t tfFsync(int64_t tfd);
 bool    tfValid(int64_t tfd);
-int32_t tfLseek(int64_t tfd, int64_t offset, int32_t whence);
+int64_t tfLseek(int64_t tfd, int64_t offset, int32_t whence);
 int32_t tfFtruncate(int64_t tfd, int64_t length);
 
 #ifdef __cplusplus