1 files changed, 5 insertions, 7 deletions

diff --git a/src/asr.c b/src/asr.c
index 9fcb6b3..3800c2b 100644
--- a/src/asr.c
+++ b/src/asr.c
@@ -205,9 +205,8 @@ int asr_perform_validation(asr_client_t asr, const char* filesystem) {
 	}
 
 #ifdef WIN32
-	_fseeki64(file, 0, SEEK_END);
-	length = _ftelli64(file);
-	_fseeki64(file, 0, SEEK_SET);
+	length = _lseeki64(fileno(file), 0, SEEK_END);
+	_lseeki64(fileno(file), 0, SEEK_SET);
 #else
 	fseeko(file, 0, SEEK_END);
 	length = ftello(file);
@@ -307,7 +306,7 @@ int asr_handle_oob_data_request(asr_client_t asr, plist_t packet, FILE* file) {
 	}
 
 #ifdef WIN32
-	_fseeki64(file, oob_offset, SEEK_SET);
+	_lseeki64(fileno(file), oob_offset, SEEK_SET);
 #else
 	fseeko(file, oob_offset, SEEK_SET);
 #endif
@@ -341,9 +340,8 @@ int asr_send_payload(asr_client_t asr, const char* filesystem) {
 	}
 
 #ifdef WIN32
-	_fseeki64(file, 0, SEEK_END);
-	length = _ftelli64(file);
-	_fseeki64(file, 0, SEEK_SET);
+	length = _lseeki64(fileno(file), 0, SEEK_END);
+	_lseeki64(fileno(file), 0, SEEK_SET);
 #else
 	fseeko(file, 0, SEEK_END);
 	length = ftello(file);