1 files changed, 3 insertions, 1 deletions
diff --git a/ext/misc/json1.c b/ext/misc/json1.c
index 398dd465c..f4f3507eb 100644
--- a/ext/misc/json1.c
+++ b/ext/misc/json1.c
@@ -1848,7 +1848,9 @@ static void jsonGroupInverse(
   char *z;
   JsonString *pStr;
   pStr = (JsonString*)sqlite3_aggregate_context(ctx, 0);
-  if( !pStr ) return;
+  /* pStr is always non-NULL since jsonArrayStep() or jsonObjectStep() will
+  ** always have been called to initalize it */
+  if( NEVER(!pStr) ) return;
   z = pStr->zBuf;
   for(i=1; z[i]!=',' || inStr; i++){
     assert( i<pStr->nUsed );