diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 7b06a45..53158bd 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -26,7 +26,7 @@
 #include "mbedtls/md5.h"
 #endif
 
-#if defined(MBEDTLS_MD_CAN_SHA1)
+#if defined(PSA_WANT_ALG_SHA_1)
 #include "mbedtls/sha1.h"
 #endif
 
@@ -2557,7 +2557,7 @@
             break;
 #endif
 
-#if defined(MBEDTLS_MD_CAN_SHA1)
+#if defined(PSA_WANT_ALG_SHA_1)
         case MBEDTLS_SSL_HASH_SHA1:
             break;
 #endif