diff --git a/src/libsystemd/sd-bus/test-bus-chat.c b/src/libsystemd/sd-bus/test-bus-chat.c
index 60115b18a3c..e29d25d06fc 100644
--- a/src/libsystemd/sd-bus/test-bus-chat.c
+++ b/src/libsystemd/sd-bus/test-bus-chat.c
@@ -502,7 +502,7 @@ finish:
 
 static ino_t get_inode(int fd) {
         struct stat st;
-        assert_se(fstat(fd, &st) >= 0);
+        ASSERT_OK_ERRNO(fstat(fd, &st));
         return st.st_ino;
 }