diff --git a/hw/syn/opae/vortex_afu.json b/hw/syn/opae/vortex_afu.json
index cab3c388..04700701 100644
--- a/hw/syn/opae/vortex_afu.json
+++ b/hw/syn/opae/vortex_afu.json
@@ -2,8 +2,8 @@
    "version": 1,
    "afu-image": {
       "power": 0,
-      "clock-frequency-high": "auto",
-      "clock-frequency-low":  "auto",
+      "clock-frequency-high": "auto-200",
+      "clock-frequency-low":  "auto-200",
       
       "cmd-mem-read":     1,
       "cmd-mem-write":    2,
diff --git a/hw/syn/quartus/project.sdc b/hw/syn/quartus/project.sdc
index 46f1af78..c45de03e 100644
--- a/hw/syn/quartus/project.sdc
+++ b/hw/syn/quartus/project.sdc
@@ -1,7 +1,4 @@
 create_clock -name {clk} -period "220 MHz" [get_ports {clk}]
 
 derive_pll_clocks -create_base_clocks
-derive_clock_uncertainty
-
-
-
+derive_clock_uncertainty
\ No newline at end of file