diff --git a/include/psa/crypto_driver_common.h b/include/psa/crypto_driver_common.h
index 1b6f322..26363c6 100644
--- a/include/psa/crypto_driver_common.h
+++ b/include/psa/crypto_driver_common.h
@@ -42,6 +42,9 @@
  * of these types. */
 #include "crypto_types.h"
 #include "crypto_values.h"
+/* Include size definitions which are used to size some arrays in operation
+ * structures. */
+#include <psa/crypto_sizes.h>
 
 /** For encrypt-decrypt functions, whether the operation is an encryption
  * or a decryption. */
diff --git a/include/psa/crypto_extra.h b/include/psa/crypto_extra.h
index 2c0b106..1f68925 100644
--- a/include/psa/crypto_extra.h
+++ b/include/psa/crypto_extra.h
@@ -31,6 +31,7 @@
 
 #include "mbedtls/platform_util.h"
 
+#include "crypto_types.h"
 #include "crypto_compat.h"
 
 #ifdef __cplusplus
diff --git a/include/psa/crypto_struct.h b/include/psa/crypto_struct.h
index 2689415..9b696ca 100644
--- a/include/psa/crypto_struct.h
+++ b/include/psa/crypto_struct.h
@@ -186,7 +186,7 @@
 {
     uint8_t *MBEDTLS_PRIVATE(info);
     size_t MBEDTLS_PRIVATE(info_length);
-    psa_mac_operation_t MBEDTLS_PRIVATE(hmac);
+    struct psa_mac_operation_s MBEDTLS_PRIVATE(hmac);
     uint8_t MBEDTLS_PRIVATE(prk)[PSA_HASH_MAX_SIZE];
     uint8_t MBEDTLS_PRIVATE(output_block)[PSA_HASH_MAX_SIZE];
 #if PSA_HASH_MAX_SIZE > 0xff