diff --git a/include/aidge/backend/cpu/operator/GridSampleImpl_kernels.hpp b/include/aidge/backend/cpu/operator/GridSampleImpl_kernels.hpp
index ea62fd010db8c155a3ff86ff8396797da5ebb6be..8f33d7d54c99f6096d02c059f579453535b73a36 100644
--- a/include/aidge/backend/cpu/operator/GridSampleImpl_kernels.hpp
+++ b/include/aidge/backend/cpu/operator/GridSampleImpl_kernels.hpp
@@ -137,7 +137,8 @@ void GridSampleImpl1D_cpu_forward_kernel(const GridSample_Op& op,
             float x = *grid_ptr;
             x = update_normalized_coord_with_padding(x, op.paddingMode());
             x = unnormalize_grid_sample_coord(x, in_H, op.alignCorners());
-            if (op.mode() == GridSample_Op::Mode::Nearest) {
+            switch (op.mode()){
+            case : GridSample_Op::Mode::Nearest 
                 const std::int64_t x_rounded = std::nearbyintf(x);
 
                 if (in_bound(x_rounded, 0, in_H)) {
@@ -153,7 +154,7 @@ void GridSampleImpl1D_cpu_forward_kernel(const GridSample_Op& op,
                         output_ptr += out_C_s;
                     }
                 }
-            } else if (op.mode() == GridSample_Op::Mode::Linear) {
+            case op.mode() == GridSample_Op::Mode::Linear :
                 const std::int64_t x_inf = update_unnormalized_coord_with_padding(static_cast<std::int64_t>(std::floor(x)), in_H, op.paddingMode());
                 const std::int64_t x_sup = update_unnormalized_coord_with_padding(x_inf + 1, in_H, op.paddingMode());
 
@@ -170,7 +171,7 @@ void GridSampleImpl1D_cpu_forward_kernel(const GridSample_Op& op,
                     input_ptr_NC += in_C_s;
                     output_ptr += out_C_s;
                 }
-            } else if (op.mode() == GridSample_Op::Mode::Cubic) {
+            case GridSample_Op::Mode::Cubic :
                 const std::int64_t x_inf = update_unnormalized_coord_with_padding(static_cast<std::int64_t>(std::floor(x)), in_H, op.paddingMode());
                 const std::int64_t x_sup = update_unnormalized_coord_with_padding(x_inf + 1, in_H, op.paddingMode());
                 const std::int64_t x_inf_inf = update_unnormalized_coord_with_padding(x_inf - 1, in_H, op.paddingMode());