diff --git a/flam3.c b/flam3.c
index 370d14a..6f35ffe 100644
--- a/flam3.c
+++ b/flam3.c
@@ -1281,7 +1281,7 @@ void clear_cp(flam3_genome *cp, int default_flag) {
     cp->rotate = 0.0;
     cp->pixels_per_unit = 50;
     cp->interpolation = flam3_interpolation_linear;
-    cp->palette_interpolation = flam3_palette_interpolation_hsv;
+    cp->palette_interpolation = flam3_palette_interpolation_hsv_circular;
 
     cp->genome_index = 0;
     memset(cp->parent_fname,0,flam3_parent_fn_len);
diff --git a/flam3.h b/flam3.h
index d6008ad..ebfcc04 100644
--- a/flam3.h
+++ b/flam3.h
@@ -75,7 +75,7 @@ extern char *flam3_variation_names[];
 #define flam3_palette_interpolation_hsv   0
 #define flam3_palette_interpolation_sweep 1
 #define flam3_palette_interpolation_rgb   2
-#define flam3_palette_interpolation_hsv2  3
+#define flam3_palette_interpolation_hsv_circular  3
 
 #define flam3_max_action_length 10000
 
diff --git a/interpolation.c b/interpolation.c
index 80da2be..5651a50 100644
--- a/interpolation.c
+++ b/interpolation.c
@@ -400,7 +400,7 @@ void flam3_interpolate_n(flam3_genome *result, int ncp,
 //	      fprintf(stderr, "hsv=%g %g %g\n", t[0], t[1], t[2]);
 //            }
 
-	    if (2 == ncp && k == 0 &&cpi[0].palette_interpolation == flam3_palette_interpolation_hsv2) {
+	    if (2 == ncp && k == 0 &&cpi[0].palette_interpolation == flam3_palette_interpolation_hsv_circular) {
 	      /* should also support blending between rgb and hsv,
 		 and change the color of the cut, so we can keep
 		 a dominant color but control what it is. */
diff --git a/parser.c b/parser.c
index ff5b51a..035363d 100644
--- a/parser.c
+++ b/parser.c
@@ -345,8 +345,8 @@ int parse_flame_element(xmlNode *flame_node, flam3_genome *loc_current_cp) {
          cp->palette_interpolation = flam3_palette_interpolation_hsv;
      } else if  (!strcmp("sweep", att_str)) {
          cp->palette_interpolation = flam3_palette_interpolation_sweep;
-     } else if  (!strcmp("hsv2", att_str)) {
-         cp->palette_interpolation = flam3_palette_interpolation_hsv2;
+     } else if  (!strcmp("hsv_circular", att_str)) {
+         cp->palette_interpolation = flam3_palette_interpolation_hsv_circular;
      } else if  (!strcmp("rgb", att_str)) {
          cp->palette_interpolation = flam3_palette_interpolation_rgb;
      } else {