diff --git a/src/core/unit.c b/src/core/unit.c
index 9ea8c1e66c..b9fb7dbc0e 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -2789,7 +2789,7 @@ int unit_enqueue_rewatch_pids(Unit *u) {
 
                 r = sd_event_source_set_priority(s, SD_EVENT_PRIORITY_IDLE);
                 if (r < 0)
-                        return log_error_errno(r, "Failed to adjust priority of event source for tidying watched PIDs: m");
+                        return log_error_errno(r, "Failed to adjust priority of event source for tidying watched PIDs: %m");
 
                 (void) sd_event_source_set_description(s, "tidy-watch-pids");
 
diff --git a/src/shared/bootspec.c b/src/shared/bootspec.c
index 3b4c99e9ee..355b1bebf6 100644
--- a/src/shared/bootspec.c
+++ b/src/shared/bootspec.c
@@ -876,7 +876,7 @@ static int verify_esp_blkid(
         errno = 0;
         r = blkid_probe_lookup_value(b, "PART_ENTRY_NUMBER", &v, NULL);
         if (r != 0)
-                return log_error_errno(errno ?: SYNTHETIC_ERRNO(EIO), "Failed to probe partition number of \"%s\": m", node);
+                return log_error_errno(errno ?: SYNTHETIC_ERRNO(EIO), "Failed to probe partition number of \"%s\": %m", node);
         r = safe_atou32(v, &part);
         if (r < 0)
                 return log_error_errno(r, "Failed to parse PART_ENTRY_NUMBER field.");