diff --git a/impls/pingala.cpp b/impls/pingala.cpp
index 97d3017..dc14f60 100644
--- a/impls/pingala.cpp
+++ b/impls/pingala.cpp
@@ -15,7 +15,7 @@ std::vector<std::string> generate_triangle(const size_t depth)
   std::vector<size_t> items;
   std::stringstream ss;
   levels.reserve(depth);
-  items.reserve(depth * depth);
+  items.resize(depth * depth);
 
 #define AT(i, j) items[((i) * depth) + (j)]
   AT(0, 0) = 1;
@@ -58,6 +58,7 @@ int main(int argc, char *argv[])
     goto error;
 
   levels = generate_triangle(depth);
+
   for (const auto &level : levels)
   {
     for (size_t i = 0;