diff --git a/src/effects/nyquist/Nyquist.cpp b/src/effects/nyquist/Nyquist.cpp
index 41999ff20..c538bb17a 100644
--- a/src/effects/nyquist/Nyquist.cpp
+++ b/src/effects/nyquist/Nyquist.cpp
@@ -386,10 +386,14 @@ bool NyquistEffect::GetAutomationParameters(CommandParameters & parms)
          parms.WriteEnum(ctrl.var, (int) d,
                          ctrl.choices.data(), ctrl.choices.size());
       }
-      else if (ctrl.type == NYQ_CTRL_STRING || ctrl.type == NYQ_CTRL_FILE)
+      else if (ctrl.type == NYQ_CTRL_STRING)
       {
          parms.Write(ctrl.var, ctrl.valStr);
       }
+      else if (ctrl.type == NYQ_CTRL_FILE)
+      {
+         parms.Write(ctrl.var, resolveFilePath(ctrl.valStr));
+      }
    }
 
    return true;