diff --git a/barretenberg/cpp/src/barretenberg/ext/starknet/ecc/curves/stark252/stark252.hpp b/barretenberg/cpp/src/barretenberg/ext/starknet/ecc/curves/stark252/stark252.hpp
index b7f62656a06e..5660bd76f77c 100644
--- a/barretenberg/cpp/src/barretenberg/ext/starknet/ecc/curves/stark252/stark252.hpp
+++ b/barretenberg/cpp/src/barretenberg/ext/starknet/ecc/curves/stark252/stark252.hpp
@@ -43,9 +43,9 @@ struct FqParams {
     static constexpr uint64_t r_inv_wasm_2 = 0x00000000;
     static constexpr uint64_t r_inv_wasm_3 = 0x00000000;
     static constexpr uint64_t r_inv_wasm_4 = 0x00000000;
-    static constexpr uint64_t r_inv_wasm_5 = 0x3fbc0000;
+    static constexpr uint64_t r_inv_wasm_5 = 0x1fbc0000;
     static constexpr uint64_t r_inv_wasm_6 = 0x0043ffff;
-    static constexpr uint64_t r_inv_wasm_7 = 0x3ff80000;
+    static constexpr uint64_t r_inv_wasm_7 = 0x1ff80000;
     static constexpr uint64_t r_inv_wasm_8 = 0x0007ffff;
 };