diff --git a/litex/build/efinix/ifacewriter.py b/litex/build/efinix/ifacewriter.py
index d01215b3d0..a38f112d97 100644
--- a/litex/build/efinix/ifacewriter.py
+++ b/litex/build/efinix/ifacewriter.py
@@ -311,6 +311,7 @@ def generate_pll(self, block, partnumber, verbose=True):
         cmd += "target_freq = {\n"
         for i, clock in enumerate(block["clk_out"]):
             cmd += '    "CLKOUT{}_FREQ": "{}",\n'.format(i, clock[1] / 1e6)
+            cmd += '    "CLKOUT{}_PHASE": "{}",\n'.format(i, clock[2])
         cmd += "}\n"
         cmd += 'calc_result = design.auto_calc_pll_clock("{}", target_freq)\n'.format(name)