diff --git a/include/mbedtls/x509_crt.h b/include/mbedtls/x509_crt.h
index 1c3007d..d794b66 100644
--- a/include/mbedtls/x509_crt.h
+++ b/include/mbedtls/x509_crt.h
@@ -178,7 +178,7 @@
     /* for find_parent_in() */
     mbedtls_x509_crt *parent; /* non-null iff parent_in in progress */
     mbedtls_x509_crt *fallback_parent;
-    int fallback_sign_good;
+    int fallback_signature_is_good;
 
     /* for find_parent() */
     int parent_is_trusted; /* -1 if find_parent is not in progress */