diff --git a/include/mbedtls/ssl_ciphersuites.h b/include/mbedtls/ssl_ciphersuites.h
index 80d5c7efd6..cc9f8d819d 100644
--- a/include/mbedtls/ssl_ciphersuites.h
+++ b/include/mbedtls/ssl_ciphersuites.h
@@ -185,7 +185,7 @@ typedef enum {
 #endif
 
 /* Key exchanges that don't involve ephemeral keys */
-#if defined(MBEDTLS_KEY_EXCHANGE_SOME_NON_PFS_ENABLED)
+#if defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED)
 #define MBEDTLS_KEY_EXCHANGE_SOME_NON_PFS_ENABLED
 #endif