1 files changed, 1 insertions, 1 deletions
diff --git a/src/os.h b/src/os.h
index d5ffa1774..7f17c203e 100644
--- a/src/os.h
+++ b/src/os.h
@@ -250,7 +250,7 @@ int sqlite3OsDeviceCharacteristics(sqlite3_file *id);
 int sqlite3OsShmMap(sqlite3_file *,int,int,int,void volatile **);
 int sqlite3OsShmLock(sqlite3_file *id, int, int, int);
 void sqlite3OsShmBarrier(sqlite3_file *id);
-int sqlite3OsShmClose(sqlite3_file *id, int);
+int sqlite3OsShmUnmap(sqlite3_file *id, int);
 
 /* 
 ** Functions for accessing sqlite3_vfs methods