1 files changed, 1 insertions, 0 deletions
diff --git a/src/os.c b/src/os.c
index 33bdead2c..598383d5b 100644
--- a/src/os.c
+++ b/src/os.c
@@ -138,6 +138,7 @@ int sqlite3OsFullPathname(
   int nPathOut, 
   char *zPathOut
 ){
+  zPathOut[0] = 0;
   return pVfs->xFullPathname(pVfs, zPath, nPathOut, zPathOut);
 }
 #ifndef SQLITE_OMIT_LOAD_EXTENSION