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-rw-r--r--ext/syck/emitter.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/syck/emitter.c b/ext/syck/emitter.c
index 4dcc8b3fc5..d373ed4c45 100644
--- a/ext/syck/emitter.c
+++ b/ext/syck/emitter.c
@@ -239,7 +239,7 @@ syck_emitter_write( SyckEmitter *e, char *str, long len )
long rest = e->bufsize - (e->marker - e->buffer);
if (len <= rest) break;
S_MEMCPY( e->marker, str, char, rest );
- e->marker += len;
+ e->marker += rest;
str += rest;
len -= rest;
syck_emitter_flush( e, 0 );