diff --git a/src/home/homectl-fido2.c b/src/home/homectl-fido2.c
index b7b2c1a3b5..0d087c79f0 100644
--- a/src/home/homectl-fido2.c
+++ b/src/home/homectl-fido2.c
@@ -534,6 +534,7 @@ finish:
         fido_dev_info_free(&di, di_size);
         return r;
 #else
-        return log_error_errno(EOPNOTSUPP, "FIDO2 tokens not supported on this build.");
+        return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
+                               "FIDO2 tokens not supported on this build.");
 #endif
 }
diff --git a/src/home/homectl-pkcs11.c b/src/home/homectl-pkcs11.c
index f4253ed7bf..3507841faa 100644
--- a/src/home/homectl-pkcs11.c
+++ b/src/home/homectl-pkcs11.c
@@ -475,6 +475,7 @@ int find_pkcs11_token_auto(char **ret) {
 
         return 0;
 #else
-        return log_error_errno(EOPNOTSUPP, "PKCS#11 tokens not supported on this build.");
+        return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
+                               "PKCS#11 tokens not supported on this build.");
 #endif
 }