1 files changed, 1 insertions, 0 deletions
diff --git a/ext/misc/regexp.c b/ext/misc/regexp.c
index 54c505233..8a3e13115 100644
--- a/ext/misc/regexp.c
+++ b/ext/misc/regexp.c
@@ -568,6 +568,7 @@ static const char *re_subcompile_string(ReCompiled *p){
         if( m==0 ){
           if( n==0 ) return "both m and n are zero in '{m,n}'";
           re_insert(p, iPrev, RE_OP_FORK, sz+1);
+          iPrev++;
           n--;
         }else{
           for(j=1; j<m; j++) re_copy(p, iPrev, sz);