diff --git a/ggshield/secret/secret_scanner.py b/ggshield/secret/secret_scanner.py
index adf04e64f9..fe42569311 100644
--- a/ggshield/secret/secret_scanner.py
+++ b/ggshield/secret/secret_scanner.py
@@ -209,9 +209,6 @@ def _collect_results(
                 )
 
             if not scan.success:
-                if scan.status_code == 403 and scan.detail == "Quota limit reached.":
-                    raise QuotaLimitReachedError()
-
                 handle_scan_chunk_error(scan, chunk)
                 continue
 
@@ -241,6 +238,8 @@ def handle_scan_chunk_error(detail: Detail, chunk: List[Scannable]) -> None:
         raise click.UsageError(detail.detail)
     if detail.status_code is None:
         raise UnexpectedError(f"Scanning failed: {detail.detail}")
+    if detail.status_code == 403 and detail.detail == "Quota limit reached.":
+        raise QuotaLimitReachedError()
 
     details = None
 
diff --git a/tests/unit/secret/test_secret_scanner.py b/tests/unit/secret/test_secret_scanner.py
index a2aa39ef26..f790d766f5 100644
--- a/tests/unit/secret/test_secret_scanner.py
+++ b/tests/unit/secret/test_secret_scanner.py
@@ -5,7 +5,7 @@
 import pytest
 from pygitguardian.models import Detail
 
-from ggshield.core.errors import ExitCode
+from ggshield.core.errors import ExitCode, QuotaLimitReachedError
 from ggshield.core.git_shell import Filemode
 from ggshield.scan import (
     Commit,
@@ -186,3 +186,9 @@ def test_handle_scan_error(detail, status_code, chunk, capsys, snapshot):
     handle_scan_chunk_error(detail, chunk)
     captured = capsys.readouterr()
     snapshot.assert_match(captured.err)
+
+
+def test_handle_scan_quota_limit_reached():
+    detail = Detail(detail="Quota limit reached.", status_code=403)
+    with pytest.raises(QuotaLimitReachedError):
+        handle_scan_chunk_error(detail, Mock())