1 files changed, 5 insertions, 3 deletions
diff --git a/ext/session/sqlite3session.c b/ext/session/sqlite3session.c
index 66b21d63a..1cf1bf466 100644
--- a/ext/session/sqlite3session.c
+++ b/ext/session/sqlite3session.c
@@ -2556,9 +2556,11 @@ static void sessionAppendIdent(
     char *zOut = (char *)&p->aBuf[p->nBuf];
     const char *zIn = zStr;
     *zOut++ = '"';
-    while( *zIn ){
-      if( *zIn=='"' ) *zOut++ = '"';
-      *zOut++ = *(zIn++);
+    if( zIn!=0 ){
+      while( *zIn ){
+        if( *zIn=='"' ) *zOut++ = '"';
+        *zOut++ = *(zIn++);
+      }
     }
     *zOut++ = '"';
     p->nBuf = (int)((u8 *)zOut - p->aBuf);