diff --git a/compileunits.h b/compileunits.h
index 0c39b2cf..b296508a 100644
--- a/compileunits.h
+++ b/compileunits.h
@@ -30,7 +30,7 @@
 #include "fieldpattern.cpp"
 #include "heptagon.cpp"
 #include "binary-tiling.cpp"
-#include "sol.cpp"
+#include "nonisotropic.cpp"
 #include "penrose.cpp"
 #include "archimedean.cpp"
 #include "euclid.cpp"
diff --git a/sol.cpp b/nonisotropic.cpp
similarity index 100%
rename from sol.cpp
rename to nonisotropic.cpp