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-rw-r--r--src/json.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/json.c b/src/json.c
index 1cfaaaf58..f2cb79688 100644
--- a/src/json.c
+++ b/src/json.c
@@ -3451,7 +3451,7 @@ static int jsonFuncArgMightBeBinary(sqlite3_value *pJson){
nBlob = sqlite3_value_bytes(pJson);
if( nBlob<1 ) return 0;
aBlob = sqlite3_value_blob(pJson);
- if( (aBlob[0] & 0x0f)>JSONB_OBJECT ) return 0;
+ if( aBlob==0 || (aBlob[0] & 0x0f)>JSONB_OBJECT ) return 0;
memset(&s, 0, sizeof(s));
s.aBlob = (u8*)aBlob;
s.nBlob = nBlob;