diff --git a/src/import/export-raw.c b/src/import/export-raw.c
index 5c9c2bbcd9..f425396261 100644
--- a/src/import/export-raw.c
+++ b/src/import/export-raw.c
@@ -120,7 +120,7 @@ static void raw_export_report_progress(RawExport *e) {
         if (!ratelimit_below(&e->progress_ratelimit))
                 return;
 
-        sd_notifyf(false, "X_IMPORT_PROGRESS=%u", percent);
+        sd_notifyf(false, "X_IMPORT_PROGRESS=%u%%", percent);
         log_info("Exported %u%%.", percent);
 
         e->last_percent = percent;
diff --git a/src/import/export-tar.c b/src/import/export-tar.c
index 2f54cd8114..9e92badfef 100644
--- a/src/import/export-tar.c
+++ b/src/import/export-tar.c
@@ -131,7 +131,7 @@ static void tar_export_report_progress(TarExport *e) {
         if (!ratelimit_below(&e->progress_ratelimit))
                 return;
 
-        sd_notifyf(false, "X_IMPORT_PROGRESS=%u", percent);
+        sd_notifyf(false, "X_IMPORT_PROGRESS=%u%%", percent);
         log_info("Exported %u%%.", percent);
 
         e->last_percent = percent;
diff --git a/src/import/import-raw.c b/src/import/import-raw.c
index 2db3198ba6..f7ed163d86 100644
--- a/src/import/import-raw.c
+++ b/src/import/import-raw.c
@@ -147,7 +147,7 @@ static void raw_import_report_progress(RawImport *i) {
         if (!ratelimit_below(&i->progress_ratelimit))
                 return;
 
-        sd_notifyf(false, "X_IMPORT_PROGRESS=%u", percent);
+        sd_notifyf(false, "X_IMPORT_PROGRESS=%u%%", percent);
         log_info("Imported %u%%.", percent);
 
         i->last_percent = percent;
diff --git a/src/import/import-tar.c b/src/import/import-tar.c
index 8c18457816..90202709ec 100644
--- a/src/import/import-tar.c
+++ b/src/import/import-tar.c
@@ -148,7 +148,7 @@ static void tar_import_report_progress(TarImport *i) {
         if (!ratelimit_below(&i->progress_ratelimit))
                 return;
 
-        sd_notifyf(false, "X_IMPORT_PROGRESS=%u", percent);
+        sd_notifyf(false, "X_IMPORT_PROGRESS=%u%%", percent);
         log_info("Imported %u%%.", percent);
 
         i->last_percent = percent;
diff --git a/src/import/importd.c b/src/import/importd.c
index cb5156bf06..e1a1ddc2ee 100644
--- a/src/import/importd.c
+++ b/src/import/importd.c
@@ -598,7 +598,7 @@ static int manager_on_notify(sd_event_source *s, int fd, uint32_t revents, void
 
         r = parse_percent(p);
         if (r < 0) {
-                log_warning("Got invalid percent value, ignoring.");
+                log_warning("Got invalid percent value '%s', ignoring.", p);
                 return 0;
         }
 
diff --git a/src/import/pull-raw.c b/src/import/pull-raw.c
index e96be4dd7d..66c3f65665 100644
--- a/src/import/pull-raw.c
+++ b/src/import/pull-raw.c
@@ -232,7 +232,7 @@ static void raw_pull_report_progress(RawPull *i, RawProgress p) {
                 assert_not_reached();
         }
 
-        sd_notifyf(false, "X_IMPORT_PROGRESS=%u", percent);
+        sd_notifyf(false, "X_IMPORT_PROGRESS=%u%%", percent);
         log_debug("Combined progress %u%%", percent);
 }
 
diff --git a/src/import/pull-tar.c b/src/import/pull-tar.c
index 2db25192da..c32fc29014 100644
--- a/src/import/pull-tar.c
+++ b/src/import/pull-tar.c
@@ -192,7 +192,7 @@ static void tar_pull_report_progress(TarPull *i, TarProgress p) {
                 assert_not_reached();
         }
 
-        sd_notifyf(false, "X_IMPORT_PROGRESS=%u", percent);
+        sd_notifyf(false, "X_IMPORT_PROGRESS=%u%%", percent);
         log_debug("Combined progress %u%%", percent);
 }