diff --git a/concrete-optimizer-cpp/src/concrete-optimizer.rs b/concrete-optimizer-cpp/src/concrete-optimizer.rs
index ac7603423..cd33a89b4 100644
--- a/concrete-optimizer-cpp/src/concrete-optimizer.rs
+++ b/concrete-optimizer-cpp/src/concrete-optimizer.rs
@@ -67,6 +67,7 @@ impl From<&ffi::Solution> for ffi::DagSolution {
             complexity: sol.complexity,
             noise_max: sol.noise_max,
             p_error: sol.p_error,
+            global_p_error: f64::NAN,
             use_wop_pbs: false,
             cb_decomposition_level_count: 0,
             cb_decomposition_base_log: 0,
@@ -108,6 +109,7 @@ impl From<DagSolution> for ffi::DagSolution {
                 complexity: sol.complexity,
                 noise_max: sol.noise_max,
                 p_error: sol.p_error,
+                global_p_error: sol.global_p_error,
                 use_wop_pbs: false,
                 cb_decomposition_level_count: 0,
                 cb_decomposition_base_log: 0,
@@ -125,6 +127,7 @@ impl From<DagSolution> for ffi::DagSolution {
                 complexity: sol.complexity,
                 noise_max: sol.noise_max,
                 p_error: sol.p_error,
+                global_p_error: f64::NAN,
                 use_wop_pbs: true,
                 cb_decomposition_level_count: sol.cb_decomposition_level_count,
                 cb_decomposition_base_log: sol.cb_decomposition_base_log,
@@ -381,6 +384,7 @@ mod ffi {
         pub complexity: f64,
         pub noise_max: f64,
         pub p_error: f64, // error probability
+        pub global_p_error: f64,
         pub use_wop_pbs: bool,
         pub cb_decomposition_level_count: u64,
         pub cb_decomposition_base_log: u64,
diff --git a/concrete-optimizer-cpp/src/cpp/concrete-optimizer.cpp b/concrete-optimizer-cpp/src/cpp/concrete-optimizer.cpp
index 03c9e85e6..e77f215f9 100644
--- a/concrete-optimizer-cpp/src/cpp/concrete-optimizer.cpp
+++ b/concrete-optimizer-cpp/src/cpp/concrete-optimizer.cpp
@@ -1033,6 +1033,7 @@ struct DagSolution final {
   double complexity;
   double noise_max;
   double p_error;
+  double global_p_error;
   bool use_wop_pbs;
   ::std::uint64_t cb_decomposition_level_count;
   ::std::uint64_t cb_decomposition_base_log;
diff --git a/concrete-optimizer-cpp/src/cpp/concrete-optimizer.hpp b/concrete-optimizer-cpp/src/cpp/concrete-optimizer.hpp
index ee1cae36b..478ff12cd 100644
--- a/concrete-optimizer-cpp/src/cpp/concrete-optimizer.hpp
+++ b/concrete-optimizer-cpp/src/cpp/concrete-optimizer.hpp
@@ -1014,6 +1014,7 @@ struct DagSolution final {
   double complexity;
   double noise_max;
   double p_error;
+  double global_p_error;
   bool use_wop_pbs;
   ::std::uint64_t cb_decomposition_level_count;
   ::std::uint64_t cb_decomposition_base_log;