diff --git a/library/ecp_invasive.h b/library/ecp_invasive.h
index 71c7702..9a3dfd4 100644
--- a/library/ecp_invasive.h
+++ b/library/ecp_invasive.h
@@ -32,9 +32,9 @@
 
 #if defined(MBEDTLS_TEST_HOOKS) && defined(MBEDTLS_ECP_C)
 
-#if defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED) ||   \
-    defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) ||   \
-    defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED)
+#    if defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED) || \
+        defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) || \
+        defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED)
 /* Preconditions:
  *   - bits is a multiple of 64 or is 224
  *   - c is -1 or -2
@@ -44,10 +44,10 @@
  * Behavior:
  * Set N to c * 2^bits + old_value_of_N.
  */
-void mbedtls_ecp_fix_negative( mbedtls_mpi *N, signed char c, size_t bits );
-#endif
+void mbedtls_ecp_fix_negative(mbedtls_mpi *N, signed char c, size_t bits);
+#    endif
 
-#if defined(MBEDTLS_ECP_MONTGOMERY_ENABLED)
+#    if defined(MBEDTLS_ECP_MONTGOMERY_ENABLED)
 /** Generate a private key on a Montgomery curve (Curve25519 or Curve448).
  *
  * This function implements key generation for the set of secret keys
@@ -69,12 +69,12 @@
  * \return          \c 0 on success.
  * \return          \c MBEDTLS_ERR_ECP_xxx or MBEDTLS_ERR_MPI_xxx on failure.
  */
-int mbedtls_ecp_gen_privkey_mx( size_t n_bits,
-                                mbedtls_mpi *d,
-                                int (*f_rng)(void *, unsigned char *, size_t),
-                                void *p_rng );
+int mbedtls_ecp_gen_privkey_mx(size_t n_bits,
+                               mbedtls_mpi *d,
+                               int (*f_rng)(void *, unsigned char *, size_t),
+                               void *p_rng);
 
-#endif /* MBEDTLS_ECP_MONTGOMERY_ENABLED */
+#    endif /* MBEDTLS_ECP_MONTGOMERY_ENABLED */
 
 #endif /* MBEDTLS_TEST_HOOKS && MBEDTLS_ECP_C */