diff --git a/src/common/snippets/src/pass/softmax_decomposition.cpp b/src/common/snippets/src/pass/softmax_decomposition.cpp
index e033abcd45ae8e..36add138d92cb9 100644
--- a/src/common/snippets/src/pass/softmax_decomposition.cpp
+++ b/src/common/snippets/src/pass/softmax_decomposition.cpp
@@ -76,7 +76,7 @@ ngraph::snippets::pass::SoftmaxDecomposition::SoftmaxDecomposition(const size_t
         const auto increment = vector_size;
         const auto inner_dim = shape_rank - 1;
         const auto inner_master_work_amount = static_cast<size_t>(master_shape[inner_dim]);
-        const int outer_dim = shape_rank > 1 ? shape_rank - 2 : -1;
+        const int outer_dim = shape_rank > 1 ? static_cast<int>(shape_rank - 2) : -1;
         const auto has_outer_loop = outer_dim >= 0 && master_shape[outer_dim] > 1;
 
         /* ====== ReduceMax decomposition ====== */