1 files changed, 2 insertions, 0 deletions
diff --git a/src/func.c b/src/func.c
index 1800498..058f71c 100644
--- a/src/func.c
+++ b/src/func.c
@@ -2206,6 +2206,8 @@ static void groupConcatValue(sqlite3_context *context){
       sqlite3_result_error_toobig(context);
     }else if( pAccum->accError==SQLITE_NOMEM ){
       sqlite3_result_error_nomem(context);
+    }else if( pGCC->nAccum>0 && pAccum->nChar==0 ){
+      sqlite3_result_text(context, "", 1, SQLITE_STATIC);
     }else{   
       const char *zText = sqlite3_str_value(pAccum);
       sqlite3_result_text(context, zText, pAccum->nChar, SQLITE_TRANSIENT);