diff --git a/library/include/dfhack/modules/Materials.h b/library/include/dfhack/modules/Materials.h
index 3407aeb06..3b50bdf7e 100644
--- a/library/include/dfhack/modules/Materials.h
+++ b/library/include/dfhack/modules/Materials.h
@@ -27,9 +27,9 @@ namespace DFHack
     struct t_descriptor_color
     {
         char id[128]; // id in the raws
-        float r;
-        float v;
-        float b;
+        float red;
+        float green;
+        float blue;
         char name[128]; //displayed name
     };
     /**
diff --git a/library/modules/Materials.cpp b/library/modules/Materials.cpp
index 6f7c7727e..eae1ee345 100644
--- a/library/modules/Materials.cpp
+++ b/library/modules/Materials.cpp
@@ -325,9 +325,9 @@ bool Materials::ReadDescriptorColors (void)
         t_descriptor_color col;
         p->readSTLString (p_colors[i] + OG_Descriptors->getOffset ("rawname"), col.id, 128);
         p->readSTLString (p_colors[i] + OG_Descriptors->getOffset ("name"), col.name, 128);
-        col.r = p->readFloat( p_colors[i] + OG_Descriptors->getOffset ("color_r") );
-        col.v = p->readFloat( p_colors[i] + OG_Descriptors->getOffset ("color_v") );
-        col.b = p->readFloat( p_colors[i] + OG_Descriptors->getOffset ("color_b") );
+        col.red = p->readFloat( p_colors[i] + OG_Descriptors->getOffset ("color_r") );
+        col.green = p->readFloat( p_colors[i] + OG_Descriptors->getOffset ("color_v") );
+        col.blue = p->readFloat( p_colors[i] + OG_Descriptors->getOffset ("color_b") );
         color.push_back(col);
     }
     return ReadNamesOnly(d->owner, OG_Descriptors->getAddress ("all_colors_vector"), alldesc );
diff --git a/tools/examples/creaturedump.cpp b/tools/examples/creaturedump.cpp
index 55505b152..24ebc667a 100644
--- a/tools/examples/creaturedump.cpp
+++ b/tools/examples/creaturedump.cpp
@@ -214,9 +214,9 @@ void printCreature(DFHack::Context * DF, const DFHack::t_creature & creature)
             if(color<Materials->color.size())
             {
                 cout << Materials->color[color].name << "[" 
-                     << (unsigned int) (Materials->color[color].r*255) << ":"
-                     << (unsigned int) (Materials->color[color].v*255) << ":"
-                     << (unsigned int) (Materials->color[color].b*255) << "]";
+                     << (unsigned int) (Materials->color[color].red*255) << ":"
+                     << (unsigned int) (Materials->color[color].green*255) << ":"
+                     << (unsigned int) (Materials->color[color].blue*255) << "]";
             }
             else if (color < Materials->alldesc.size())
             {
diff --git a/tools/examples/materialtest.cpp b/tools/examples/materialtest.cpp
index 8293969e6..dafc4c245 100644
--- a/tools/examples/materialtest.cpp
+++ b/tools/examples/materialtest.cpp
@@ -68,9 +68,9 @@ int main (int numargs, const char ** args)
     for(uint32_t i = 0; i < Materials->color.size();i++)
     {
 	cout << i << ": " << Materials->color[i].id << " - " << Materials->color[i].name << "["
-		<< (unsigned int) (Materials->color[i].r*255) << ":"
-		<< (unsigned int) (Materials->color[i].v*255) << ":"
-		<< (unsigned int) (Materials->color[i].b*255)
+		<< (unsigned int) (Materials->color[i].red*255) << ":"
+		<< (unsigned int) (Materials->color[i].green*255) << ":"
+		<< (unsigned int) (Materials->color[i].blue*255)
 		<< "]" << endl;
     }
     cout << endl << "----==== All descriptors ====----" << endl;