diff --git a/src/outfile.c b/src/outfile.c
index 1a9303b57..6b934bce1 100644
--- a/src/outfile.c
+++ b/src/outfile.c
@@ -436,6 +436,7 @@ int outfile_write (hashcat_ctx_t *hashcat_ctx, const char *out_buf, const unsign
     sprintf (tmp_buf + tmp_len, "%" PRIu64, crackpos);
   }
 
+  tmp_len += 20; // Required to include the text generated for crackpos.
   tmp_buf[tmp_len] = 0;
 
   if (outfile_ctx->fp != NULL)