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-rw-r--r--src/func.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/func.c b/src/func.c
index 110dfe97a..74c2a1b52 100644
--- a/src/func.c
+++ b/src/func.c
@@ -1728,6 +1728,8 @@ static void groupConcatInverse(
n = sqlite3_value_bytes(argv[0]);
if( argc==2 ){
n += sqlite3_value_bytes(argv[1]);
+ }else{
+ n++;
}
if( n>=pAccum->nChar ){
pAccum->nChar = 0;