diff --git a/frontend/data/locale/en-US.ini b/frontend/data/locale/en-US.ini
index 95df9925a..b58cda8ee 100644
--- a/frontend/data/locale/en-US.ini
+++ b/frontend/data/locale/en-US.ini
@@ -646,6 +646,8 @@ Basic.SourceSelect.SelectType="Source Type"
 Basic.SourceSelect.Recent="Recently Added"
 Basic.SourceSelect.NewSource="Create a New Source"
 Basic.SourceSelect.Existing="Add an Existing Source"
+Basic.SourceSelect.ExistingButton="Add Existing"
+Basic.SourceSelect.ExistingButton.Multiple="Add %1 Existing"
 Basic.SourceSelect.CreateButton="Create New"
 Basic.SourceSelect.AddVisible="Make source visible"
 Basic.SourceSelect.NoExisting="No existing %1 sources"
diff --git a/frontend/dialogs/OBSBasicSourceSelect.cpp b/frontend/dialogs/OBSBasicSourceSelect.cpp
index 410199bc4..ab8d366f2 100644
--- a/frontend/dialogs/OBSBasicSourceSelect.cpp
+++ b/frontend/dialogs/OBSBasicSourceSelect.cpp
@@ -281,9 +281,10 @@ OBSBasicSourceSelect::OBSBasicSourceSelect(OBSBasic *parent, undo_stack &undo_s)
 	connect(this, &OBSBasicSourceSelect::selectedItemsChanged, this, [=]() {
 		ui->addExistingButton->setEnabled(selectedItems.size() > 0);
 		if (selectedItems.size() > 0) {
-			ui->addExistingButton->setText(QTStr("Add %1 Existing").arg(selectedItems.size()));
+			ui->addExistingButton->setText(
+				QTStr("Basic.SourceSelect.ExistingButton.Multiple").arg(selectedItems.size()));
 		} else {
-			ui->addExistingButton->setText("Add Existing");
+			ui->addExistingButton->setText(QTStr("Basic.SourceSelect.ExistingButton"));
 		}
 	});
 
diff --git a/frontend/forms/OBSBasicSourceSelect.ui b/frontend/forms/OBSBasicSourceSelect.ui
index 30d7e34fd..87320bc09 100644
--- a/frontend/forms/OBSBasicSourceSelect.ui
+++ b/frontend/forms/OBSBasicSourceSelect.ui
@@ -439,7 +439,7 @@
                      </sizepolicy>
                     </property>
                     <property name="text">
-                     <string>Add Existing</string>
+                     <string>Basic.SourceSelect.ExistingButton</string>
                     </property>
                     <property name="class" stdset="0">
                      <string>button-primary</string>