diff --git a/src/blenderbim/desktop/Makefile b/src/blenderbim/desktop/Makefile
index 4f02ba5295..e17077fae7 100644
--- a/src/blenderbim/desktop/Makefile
+++ b/src/blenderbim/desktop/Makefile
@@ -9,8 +9,8 @@ install :
 	${DESTDIR}/share/icons/hicolor/128x128/mimetypes \
 	${DESTDIR}/share/applications \
 	${DESTDIR}/share/mime/packages
-	cp blenderbim.sh ${DESTDIR}/bin/
-	chmod +x ${DESTDIR}/bin/blenderbim.sh
+	cp blenderbim ${DESTDIR}/bin/
+	chmod +x ${DESTDIR}/bin/blenderbim
 	cp blenderbim.png ${DESTDIR}/share/icons/hicolor/128x128/apps/
 	cp blenderbim.desktop ${DESTDIR}/share/applications/
 	cp blenderbim.xml ${DESTDIR}/share/mime/packages/
@@ -20,7 +20,7 @@ install :
 
 uninstall :
 	rm -f \
-	${DESTDIR}/bin/blenderbim.sh \
+	${DESTDIR}/bin/blenderbim \
 	${DESTDIR}/share/icons/hicolor/128x128/apps/blenderbim.png \
 	${DESTDIR}/share/applications/blenderbim.desktop \
 	${DESTDIR}/share/mime/packages/blenderbim.xml \
diff --git a/src/blenderbim/desktop/README.md b/src/blenderbim/desktop/README.md
index b4727eeda1..a3567de060 100644
--- a/src/blenderbim/desktop/README.md
+++ b/src/blenderbim/desktop/README.md
@@ -15,7 +15,7 @@ configure associations and icons for a single user by running `make`:
 Test by running the wrapper script directly, this should launch BlenderBIM with
 an empty IFC project:
 
-  blenderbim.sh
+  blenderbim
 
 This `Makefile` installs files to `~/.local` by default, to install to an
 alternative location, set `DESTDIR`:
diff --git a/src/blenderbim/desktop/blenderbim b/src/blenderbim/desktop/blenderbim
new file mode 100755
index 0000000000..1de7b9a710
--- /dev/null
+++ b/src/blenderbim/desktop/blenderbim
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+# Wrapper script to launch BlenderBIM.
+
+# If the `blender` executable can't be found in your PATH environment, set
+# BLENDER_EXE to the location of your preferred `blender` executable.
+
+#BLENDER_EXE=/opt/blender-3.3/blender
+
+: ${BLENDER_EXE:=blender}
+
+if [[ $# -eq 1 && -f "$@" ]]; then
+    "${BLENDER_EXE}" --python-expr 'import bpy; bpy.data.batch_remove(bpy.data.objects); bpy.ops.outliner.orphans_purge(do_local_ids=True, do_linked_ids=True, do_recursive=True); bpy.ops.bim.load_project(filepath="'"$@"'")'
+else
+    "${BLENDER_EXE}" --python-expr 'import bpy; bpy.data.batch_remove(bpy.data.objects); bpy.ops.outliner.orphans_purge(do_local_ids=True, do_linked_ids=True, do_recursive=True); bpy.ops.bim.create_project()'
+fi;
diff --git a/src/blenderbim/desktop/blenderbim.desktop b/src/blenderbim/desktop/blenderbim.desktop
index a56d68e95b..29919736d1 100644
--- a/src/blenderbim/desktop/blenderbim.desktop
+++ b/src/blenderbim/desktop/blenderbim.desktop
@@ -1,7 +1,7 @@
 [Desktop Entry]
 Type=Application
 Terminal=false
-Exec=blenderbim.sh %f
+Exec=blenderbim %f
 Name=BlenderBIM
 Icon=blenderbim
 X-Desktop-File-Install-Version=0.26
diff --git a/src/blenderbim/desktop/blenderbim.sh b/src/blenderbim/desktop/blenderbim.sh
deleted file mode 100755
index cef49bd672..0000000000
--- a/src/blenderbim/desktop/blenderbim.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/bash
-
-# Wrapper script to launch BlenderBIM.
-
-# If the `blender` executable can't be found in your PATH environment, set
-# BLENDER_EXE to the location of your preferred `blender` executable.
-
-#BLENDER_EXE=/opt/blender-3.3/blender
-
-: ${BLENDER_EXE:=blender}
-
-if [[ $# -eq 1 && -f "$@" ]]; then
-    "${BLENDER_EXE}" --python-expr 'import bpy; bpy.data.collections.remove(bpy.data.collections[0]); bpy.ops.bim.load_project(filepath="'"$@"'")'
-else
-    "${BLENDER_EXE}" --python-expr 'import bpy; bpy.data.collections.remove(bpy.data.collections[0]); bpy.ops.bim.create_project()'
-fi;