diff -r afb3974f8fb3 -r 59435d4c5e0c stage4/generate_c/generate_c_sfcdecl.cc
--- a/stage4/generate_c/generate_c_sfcdecl.cc	Fri May 06 11:38:35 2016 +0300
+++ b/stage4/generate_c/generate_c_sfcdecl.cc	Fri May 06 11:48:02 2016 +0300
@@ -130,7 +130,7 @@
           wanted_sfcdeclaration = sfcinit_sd;
           
           /* steps table initialisation */
-          s4o.print(s4o.indent_spaces + "static const STEP temp_step = {{0, 0}, 0, {0, 0}};\n");
+          s4o.print(s4o.indent_spaces + "static const STEP temp_step = {{0, 0}, 0, {{0, 0}, 0}};\n");
           s4o.print(s4o.indent_spaces + "for(i = 0; i < ");
           print_variable_prefix();
           s4o.print("__nb_steps; i++) {\n");