diff --git a/src/basic/cgroup-util.c b/src/basic/cgroup-util.c
index b5b0d58485..1b0221edc4 100644
--- a/src/basic/cgroup-util.c
+++ b/src/basic/cgroup-util.c
@@ -2589,8 +2589,10 @@ int cg_enable_everywhere(CGroupMask supported, CGroupMask mask, const char *p) {
                         }
 
                         r = write_string_stream(f, s, 0);
-                        if (r < 0)
+                        if (r < 0) {
                                 log_debug_errno(r, "Failed to enable controller %s for %s (%s): %m", n, p, fs);
+                                clearerr(f);
+                        }
                 }
         }