diff --git a/FPGA_Quartus_13.1/firebee1.qsf b/FPGA_Quartus_13.1/firebee1.qsf
index d0dd521..f42b241 100644
--- a/FPGA_Quartus_13.1/firebee1.qsf
+++ b/FPGA_Quartus_13.1/firebee1.qsf
@@ -671,7 +671,7 @@ set_instance_assignment -name GLOBAL_SIGNAL "GLOBAL CLOCK" -to MAIN_CLK
 set_instance_assignment -name GLOBAL_SIGNAL "GLOBAL CLOCK" -to DDR_CLK
 set_instance_assignment -name GLOBAL_SIGNAL "GLOBAL CLOCK" -to nDDR_CLK
 set_global_assignment -name VHDL_SHOW_LMF_MAPPING_MESSAGES OFF
-set_global_assignment -name OPTIMIZE_HOLD_TIMING "IO PATHS AND MINIMUM TPD PATHS"
+set_global_assignment -name OPTIMIZE_HOLD_TIMING "ALL PATHS"
 set_global_assignment -name OPTIMIZE_MULTI_CORNER_TIMING ON
 set_global_assignment -name AUTO_DELAY_CHAINS_FOR_HIGH_FANOUT_INPUT_PINS OFF
 set_global_assignment -name OPTIMIZE_FOR_METASTABILITY OFF