1 files changed, 1 insertions, 0 deletions
diff --git a/src/os.c b/src/os.c
index 77f541864..bc65ae32b 100644
--- a/src/os.c
+++ b/src/os.c
@@ -16,6 +16,7 @@
 #define _SQLITE_OS_C_ 1
 #include "sqliteInt.h"
 #include "os.h"
+#undef _SQLITE_OS_C_
 
 /*
 ** The following routines are convenience wrappers around methods