diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -395,7 +395,7 @@
     'rsrc/js/application/herald/PathTypeahead.js' => 'ad486db3',
     'rsrc/js/application/herald/herald-rule-editor.js' => '0922e81d',
     'rsrc/js/application/maniphest/behavior-batch-selector.js' => 'cffd39b4',
-    'rsrc/js/application/maniphest/behavior-line-chart.js' => '3e9da12d',
+    'rsrc/js/application/maniphest/behavior-line-chart.js' => 'c8147a20',
     'rsrc/js/application/maniphest/behavior-list-edit.js' => 'c687e867',
     'rsrc/js/application/maniphest/behavior-subpriorityeditor.js' => '8400307c',
     'rsrc/js/application/owners/OwnersPathEditor.js' => '2a8b62d9',
@@ -614,7 +614,7 @@
     'javelin-behavior-icon-composer' => '38a6cedb',
     'javelin-behavior-launch-icon-composer' => 'a17b84f1',
     'javelin-behavior-lightbox-attachments' => 'c7e748bf',
-    'javelin-behavior-line-chart' => '3e9da12d',
+    'javelin-behavior-line-chart' => 'c8147a20',
     'javelin-behavior-linked-container' => '74446546',
     'javelin-behavior-maniphest-batch-selector' => 'cffd39b4',
     'javelin-behavior-maniphest-list-editor' => 'c687e867',
@@ -1200,12 +1200,6 @@
       'javelin-vector',
       'javelin-dom',
     ),
-    '3e9da12d' => array(
-      'javelin-behavior',
-      'javelin-dom',
-      'javelin-vector',
-      'phui-chart-css',
-    ),
     '3eed1f2b' => array(
       'javelin-behavior',
       'javelin-stratcom',
@@ -1950,6 +1944,12 @@
       'phuix-icon-view',
       'phabricator-busy',
     ),
+    'c8147a20' => array(
+      'javelin-behavior',
+      'javelin-dom',
+      'javelin-vector',
+      'phui-chart-css',
+    ),
     'c9749dcd' => array(
       'javelin-install',
       'javelin-util',
diff --git a/src/applications/maniphest/controller/ManiphestReportController.php b/src/applications/maniphest/controller/ManiphestReportController.php
--- a/src/applications/maniphest/controller/ManiphestReportController.php
+++ b/src/applications/maniphest/controller/ManiphestReportController.php
@@ -74,8 +74,6 @@
     $table = new ManiphestTransaction();
     $conn = $table->establishConnection('r');
 
-    $joins = '';
-    $create_joins = '';
     if ($project_phid) {
       $joins = qsprintf(
         $conn,
@@ -91,6 +89,9 @@
         PhabricatorEdgeConfig::TABLE_NAME_EDGE,
         PhabricatorProjectObjectHasProjectEdgeType::EDGECONST,
         $project_phid);
+    } else {
+      $joins = qsprintf($conn, '');
+      $create_joins = qsprintf($conn, '');
     }
 
     $data = queryfx_all(
diff --git a/webroot/rsrc/js/application/maniphest/behavior-line-chart.js b/webroot/rsrc/js/application/maniphest/behavior-line-chart.js
--- a/webroot/rsrc/js/application/maniphest/behavior-line-chart.js
+++ b/webroot/rsrc/js/application/maniphest/behavior-line-chart.js
@@ -107,7 +107,10 @@
     .attr('cy', function(d) { return y(d.count); })
     .on('mouseover', function(d) {
       var d_y = d.date.getFullYear();
-      var d_m = d.date.getMonth();
+
+      // NOTE: Javascript months are zero-based. See PHI1017.
+      var d_m = d.date.getMonth() + 1;
+
       var d_d = d.date.getDate();
 
       div