diff --git a/defs.h b/defs.h
index 9fe0702..7f2ef09 100644
--- a/defs.h
+++ b/defs.h
@@ -87,9 +87,9 @@ struct file_info {
 
 // Synchronize a file according to the action in the action field. The temporary
 // directory must be a valid directory on the destination volume.
-int sync_file(struct file_info *file, convert_func func, long srcVol,
-              short srcDir, long destVol, short destDir, long tempVol,
-              short tempDir);
+int sync_file(struct file_info *file, convert_func func, short srcVol,
+              long srcDir, short destVol, long destDir, short tempVol,
+              long tempDir);
 
 // =============================================================================
 // conversion
diff --git a/file.c b/file.c
index 3ff6742..53cd5f6 100644
--- a/file.c
+++ b/file.c
@@ -266,9 +266,9 @@ error:
 	return 1;
 }
 
-int sync_file(struct file_info *file, convert_func func, long srcVol,
-              short srcDir, long destVol, short destDir, long tempVol,
-              short tempDir) {
+int sync_file(struct file_info *file, convert_func func, short srcVol,
+              long srcDir, short destVol, long destDir, short tempVol,
+              long tempDir) {
 	FSSpec src, dest;
 	Ptr srcData = NULL, destData = NULL;
 	long srcLength, destLength;