diff --git a/CommandLines.cpp b/CommandLines.cpp
index ef8f9c9..060754b 100644
--- a/CommandLines.cpp
+++ b/CommandLines.cpp
@@ -67,7 +67,7 @@ void init_opt(hifiasm_opt_t* asm_opt)
     asm_opt->k_mer_length = 41;
 	asm_opt->mz_win = 41;
 	asm_opt->bf_shift = 37;
-	asm_opt->high_factor = 7.0f;
+	asm_opt->high_factor = 5.0f;
 	asm_opt->no_HPC = 0;
 	asm_opt->no_kmer_flt = 0;
     asm_opt->k_mer_min_freq = 3;