diff --git a/resources/machines/dual_extrusion_printer.json b/resources/machines/dual_extrusion_printer.json
index 3d386622be..4fce15a802 100644
--- a/resources/machines/dual_extrusion_printer.json
+++ b/resources/machines/dual_extrusion_printer.json
@@ -2,7 +2,7 @@
     "version": 1,
     "id": "dual_extrusion",
     "name": "Dual Extrusion Base File",
-    "file_formats": "text/x-gcode;application/sla;prs.wavefront-obj;application/octet-stream",
+    "file_formats": "text/x-gcode;application/x-stl-ascii;application/x-stl-binary;application/x-wavefront-obj;application/x3g",
     "inherits": "fdmprinter.json",
 
     "visible": false,
diff --git a/resources/machines/fdmprinter.json b/resources/machines/fdmprinter.json
index c6e2a073d6..33259f5c54 100644
--- a/resources/machines/fdmprinter.json
+++ b/resources/machines/fdmprinter.json
@@ -5,7 +5,7 @@
     "name": "FDM Printer Base Description",
     "author": "Ultimaker B.V.",
     "manufacturer": "Ultimaker",
-    "file_formats": "text/x-gcode;application/sla;prs.wavefront-obj;application/octet-stream",
+    "file_formats": "text/x-gcode;application/x-stl-ascii;application/x-stl-binary;application/x-wavefront-obj;application/x3g",
 
     "add_pages": [],
 
diff --git a/resources/machines/m180.json b/resources/machines/m180.json
index d7bde9f15f..7e31577ac2 100644
--- a/resources/machines/m180.json
+++ b/resources/machines/m180.json
@@ -5,7 +5,7 @@
     "manufacturer": "Other",
     "icon": "icon_ultimaker.png",
     "platform": "",
-    "file_formats": "text/x-gcode",
+    "file_formats": "application/x3g",
     "inherits": "fdmprinter.json",
 
     "machine_settings": {
diff --git a/resources/machines/maker_starter.json b/resources/machines/maker_starter.json
index 5045008a23..7eaf0bc8f3 100644
--- a/resources/machines/maker_starter.json
+++ b/resources/machines/maker_starter.json
@@ -6,7 +6,7 @@
     "author": "Other",
     "icon": "icon_ultimaker2.png",
     "platform": "makerstarter_platform.stl",
-    "file_formats": "text/x-gcode;application/sla;prs.wavefront-obj",
+    "file_formats": "text/x-gcode;application/x-stl-ascii;application/x-stl-binary;application/x-wavefront-obj",
     "inherits": "fdmprinter.json",
 
     "machine_settings": {