diff --git a/lang/BodySlide.pot b/lang/BodySlide.pot
index 964a6214..3d926520 100644
--- a/lang/BodySlide.pot
+++ b/lang/BodySlide.pot
@@ -144,6 +144,9 @@ msgstr ""
 msgid "Select All\tCtrl+A"
 msgstr ""
 
+msgid "Invert Selection"
+msgstr ""
+
 msgid "Enter preset name..."
 msgstr ""
 
diff --git a/lang/de/BodySlide.mo b/lang/de/BodySlide.mo
index 4d557157..6b7bd729 100644
Binary files a/lang/de/BodySlide.mo and b/lang/de/BodySlide.mo differ
diff --git a/lang/de/BodySlide.po b/lang/de/BodySlide.po
index a28b6cbf..0683426d 100644
--- a/lang/de/BodySlide.po
+++ b/lang/de/BodySlide.po
@@ -160,6 +160,9 @@ msgstr "Alle auswählen"
 msgid "Select All\tCtrl+A"
 msgstr "Alle auswählen\tCtrl+A"
 
+msgid "Invert Selection"
+msgstr "Auswahl umkehren"
+
 msgid "Enter preset name..."
 msgstr "Preset-Name eingeben..."
 
diff --git a/res/xrc/BodySlide.xrc b/res/xrc/BodySlide.xrc
index eba23ae3..1b9d9c3a 100644
--- a/res/xrc/BodySlide.xrc
+++ b/res/xrc/BodySlide.xrc
@@ -448,5 +448,8 @@
 		<object class="wxMenuItem" name="batchBuildAll">
 			<label>Select All</label>
 		</object>
+		<object class="wxMenuItem" name="batchBuildInvert">
+			<label>Invert Selection</label>
+		</object>
 	</object>
 </resource>
diff --git a/res/xrc/Project.xrc b/res/xrc/Project.xrc
index 21e3a14a..4b9b917e 100644
--- a/res/xrc/Project.xrc
+++ b/res/xrc/Project.xrc
@@ -1031,5 +1031,8 @@
 		<object class="wxMenuItem" name="projectListAll">
 			<label>Select All</label>
 		</object>
+		<object class="wxMenuItem" name="projectListInvert">
+			<label>Invert Selection</label>
+		</object>
 	</object>
 </resource>
diff --git a/src/program/BodySlideApp.cpp b/src/program/BodySlideApp.cpp
index ab45c938..c8cf6984 100644
--- a/src/program/BodySlideApp.cpp
+++ b/src/program/BodySlideApp.cpp
@@ -3256,10 +3256,14 @@ void BodySlideFrame::OnBatchBuildSelect(wxCommandEvent& event) {
 		for (int i = 0; i < batchBuildList->GetCount(); i++)
 			batchBuildList->Check(i, false);
 	}
-	else {
+	else if (event.GetId() == XRCID("batchBuildAll")) {
 		for (int i = 0; i < batchBuildList->GetCount(); i++)
 			batchBuildList->Check(i);
 	}
+	else if (event.GetId() == XRCID("batchBuildInvert")) {
+		for (int i = 0; i < batchBuildList->GetCount(); i++)
+			batchBuildList->Check(!batchBuildList->IsChecked(i));
+	}
 }
 
 void BodySlideFrame::OnOutfitStudio(wxCommandEvent& WXUNUSED(event)) {
diff --git a/src/program/OutfitStudio.cpp b/src/program/OutfitStudio.cpp
index d5c9e9c2..44241ce9 100644
--- a/src/program/OutfitStudio.cpp
+++ b/src/program/OutfitStudio.cpp
@@ -1027,10 +1027,14 @@ void OutfitStudioFrame::OnPackProjects(wxCommandEvent& WXUNUSED(event)) {
 						for (int i = 0; i < projectList->GetCount(); i++)
 							projectList->Check(i, false);
 					}
-					else {
+					else if (event.GetId() == XRCID("projectListAll")) {
 						for (int i = 0; i < projectList->GetCount(); i++)
 							projectList->Check(i);
 					}
+					else if (event.GetId() == XRCID("projectListInvert")) {
+						for (int i = 0; i < projectList->GetCount(); i++)
+							projectList->Check(i, !projectList->IsChecked(i));
+					}
 				});
 
 				PopupMenu(menu);