diff --git a/module/chart/lang/de.php b/module/chart/lang/de.php
index 20577f9351..2bf2ba8af5 100644
--- a/module/chart/lang/de.php
+++ b/module/chart/lang/de.php
@@ -42,3 +42,5 @@ $lang->chart->typeList['cluBarY']     = 'Clustered Bar Y';
 $lang->chart->typeList['stackedBarY'] = 'Stacked Bar Y';
 $lang->chart->typeList['cluBarX']     = 'Clustered Bar X';
 $lang->chart->typeList['stackedBar']  = 'Stacked Bar X';
+
+$lang->chart->conditionList['eq'] = '=';
diff --git a/module/chart/lang/en.php b/module/chart/lang/en.php
index 20577f9351..2bf2ba8af5 100644
--- a/module/chart/lang/en.php
+++ b/module/chart/lang/en.php
@@ -42,3 +42,5 @@ $lang->chart->typeList['cluBarY']     = 'Clustered Bar Y';
 $lang->chart->typeList['stackedBarY'] = 'Stacked Bar Y';
 $lang->chart->typeList['cluBarX']     = 'Clustered Bar X';
 $lang->chart->typeList['stackedBar']  = 'Stacked Bar X';
+
+$lang->chart->conditionList['eq'] = '=';
diff --git a/module/chart/lang/fr.php b/module/chart/lang/fr.php
index 20577f9351..2bf2ba8af5 100644
--- a/module/chart/lang/fr.php
+++ b/module/chart/lang/fr.php
@@ -42,3 +42,5 @@ $lang->chart->typeList['cluBarY']     = 'Clustered Bar Y';
 $lang->chart->typeList['stackedBarY'] = 'Stacked Bar Y';
 $lang->chart->typeList['cluBarX']     = 'Clustered Bar X';
 $lang->chart->typeList['stackedBar']  = 'Stacked Bar X';
+
+$lang->chart->conditionList['eq'] = '=';
diff --git a/module/chart/lang/zh-cn.php b/module/chart/lang/zh-cn.php
index 06be008c38..cb86fce7c4 100644
--- a/module/chart/lang/zh-cn.php
+++ b/module/chart/lang/zh-cn.php
@@ -42,3 +42,5 @@ $lang->chart->typeList['cluBarY']     = '簇状条形图';
 $lang->chart->typeList['stackedBarY'] = '堆积条形图';
 $lang->chart->typeList['cluBarX']     = '簇状柱形图';
 $lang->chart->typeList['stackedBar']  = '堆积柱形图';
+
+$lang->chart->conditionList['eq'] = '=';