diff --git a/src/shared/tpm2-util.h b/src/shared/tpm2-util.h
index 6883975174..e62a3c30e1 100644
--- a/src/shared/tpm2-util.h
+++ b/src/shared/tpm2-util.h
@@ -199,7 +199,7 @@ int tpm2_tpm2b_public_to_fingerprint(const TPM2B_PUBLIC *public, void **ret_fing
                 struct_type UNIQ_T(STRUCT, uniq) = { .size_field = UNIQ_T(SIZE, uniq), }; \
                 assert(sizeof(UNIQ_T(STRUCT, uniq).buffer_field) >= (size_t) UNIQ_T(SIZE, uniq)); \
                 if (UNIQ_T(BUF, uniq))                                  \
-                        memcpy(UNIQ_T(STRUCT, uniq).buffer_field, UNIQ_T(BUF, uniq), UNIQ_T(SIZE, uniq)); \
+                        memcpy_safe(UNIQ_T(STRUCT, uniq).buffer_field, UNIQ_T(BUF, uniq), UNIQ_T(SIZE, uniq)); \
                 UNIQ_T(STRUCT, uniq);                                   \
         })