diff --git a/library/md.c b/library/md.c
index 2af2e44..a29d876 100644
--- a/library/md.c
+++ b/library/md.c
@@ -206,13 +206,19 @@
         case MBEDTLS_MD_SHA512:
             return &mbedtls_sha512_info;
 #endif
-#if defined(MBEDTLS_SHA3_C)
+#if defined(MBEDTLS_MD_CAN_SHA3_224)
         case MBEDTLS_MD_SHA3_224:
             return &mbedtls_sha3_224_info;
+#endif
+#if defined(MBEDTLS_MD_CAN_SHA3_256)
         case MBEDTLS_MD_SHA3_256:
             return &mbedtls_sha3_256_info;
+#endif
+#if defined(MBEDTLS_MD_CAN_SHA3_384)
         case MBEDTLS_MD_SHA3_384:
             return &mbedtls_sha3_384_info;
+#endif
+#if defined(MBEDTLS_MD_CAN_SHA3_512)
         case MBEDTLS_MD_SHA3_512:
             return &mbedtls_sha3_512_info;
 #endif