diff --git a/nova/compute/api.py b/nova/compute/api.py
index ec4927e8fda5..d67158c95f89 100644
--- a/nova/compute/api.py
+++ b/nova/compute/api.py
@@ -311,9 +311,11 @@ class API(base.Base):
             # Favor path limit over content limit for reporting
             # purposes
             if 'injected_file_path_bytes' in exc.kwargs['overs']:
-                raise exception.OnsetFilePathLimitExceeded()
+                raise exception.OnsetFilePathLimitExceeded(
+                      allowed=exc.kwargs['quotas']['injected_file_path_bytes'])
             else:
-                raise exception.OnsetFileContentLimitExceeded()
+                raise exception.OnsetFileContentLimitExceeded(
+                   allowed=exc.kwargs['quotas']['injected_file_content_bytes'])
 
     def _check_metadata_properties_quota(self, context, metadata=None):
         """Enforce quota limits on metadata properties."""
diff --git a/nova/exception.py b/nova/exception.py
index 7a0212d07b44..9b1cd9a16a6e 100644
--- a/nova/exception.py
+++ b/nova/exception.py
@@ -1398,11 +1398,11 @@ class OnsetFileLimitExceeded(QuotaError):
 
 
 class OnsetFilePathLimitExceeded(OnsetFileLimitExceeded):
-    msg_fmt = _("Personality file path too long")
+    msg_fmt = _("Personality file path exceeds maximum %(allowed)s")
 
 
 class OnsetFileContentLimitExceeded(OnsetFileLimitExceeded):
-    msg_fmt = _("Personality file content too long")
+    msg_fmt = _("Personality file content exceeds maximum %(allowed)s")
 
 
 class KeypairLimitExceeded(QuotaError):
diff --git a/nova/tests/unit/compute/test_compute_api.py b/nova/tests/unit/compute/test_compute_api.py
index 732670aae862..3753e125215b 100644
--- a/nova/tests/unit/compute/test_compute_api.py
+++ b/nova/tests/unit/compute/test_compute_api.py
@@ -3208,7 +3208,8 @@ class _ComputeAPIUnitTestMixIn(object):
     def test_check_injected_file_quota_onset_file_path_limit(self):
         # This is the second call to limit_check.
         side_effect = (mock.DEFAULT,
-                       exception.OverQuota(overs='injected_file_path_bytes'))
+                       exception.OverQuota(overs='injected_file_path_bytes',
+                                    quotas={'injected_file_path_bytes': 255}))
         self.assertRaises(exception.OnsetFilePathLimitExceeded,
             self._test_check_injected_file_quota_onset_file_limit_exceeded,
             side_effect)
@@ -3216,7 +3217,8 @@ class _ComputeAPIUnitTestMixIn(object):
     def test_check_injected_file_quota_onset_file_content_limit(self):
         # This is the second call to limit_check but with different overs.
         side_effect = (mock.DEFAULT,
-            exception.OverQuota(overs='injected_file_content_bytes'))
+            exception.OverQuota(overs='injected_file_content_bytes',
+                                quotas={'injected_file_content_bytes': 10240}))
         self.assertRaises(exception.OnsetFileContentLimitExceeded,
             self._test_check_injected_file_quota_onset_file_limit_exceeded,
             side_effect)