diff --git a/src/interpolation.c b/src/interpolation.c
index d9219fd..0ed3bf6 100644
--- a/src/interpolation.c
+++ b/src/interpolation.c
@@ -573,6 +573,10 @@ void flam3_interpolate_n(flam3_genome *result, int ncp,
       INTERP(xform[i].waves2_scaley);
       INTERP(xform[i].waves2_freqx);
       INTERP(xform[i].waves2_freqy);
+      INTERP(xform[i].auger_sym);
+      INTERP(xform[i].auger_weight);
+      INTERP(xform[i].auger_freq);
+      INTERP(xform[i].auger_scale);
 
       for (j = 0; j < flam3_nvariations; j++)
          INTERP(xform[i].var[j]);