diff --git a/res/CMakeLists.txt b/res/CMakeLists.txt
index 0210218c..0a32df79 100644
--- a/res/CMakeLists.txt
+++ b/res/CMakeLists.txt
@@ -132,6 +132,9 @@ else()
     install(FILES ${CMAKE_CURRENT_BINARY_DIR}/freedesktop/solvespace.desktop
         DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/applications)
 
+    install(FILES freedesktop/solvespace-slvs.xml
+        DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/mime/packages)
+
     foreach(SIZE 16x16 24x24 32x32 48x48)
         install(FILES freedesktop/solvespace-${SIZE}.png
             DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/${SIZE}/apps
diff --git a/res/freedesktop/solvespace-slvs.xml b/res/freedesktop/solvespace-slvs.xml
new file mode 100644
index 00000000..8ee132ce
--- /dev/null
+++ b/res/freedesktop/solvespace-slvs.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<mime-info xmlns="http://www.freedesktop.org/standards/shared-mime-info">
+    <mime-type type="application/x-solvespace">
+        <comment xml:lang="en">SolveSpace model</comment>
+        <generic-icon name="solvespace"/>
+        <glob pattern="*.slvs"/>
+    </mime-type>
+</mime-info>
diff --git a/res/freedesktop/solvespace.desktop.in b/res/freedesktop/solvespace.desktop.in
index 68b3cb73..8c6fb24a 100644
--- a/res/freedesktop/solvespace.desktop.in
+++ b/res/freedesktop/solvespace.desktop.in
@@ -3,6 +3,7 @@ Version=1.0
 Name=SolveSpace
 Comment=A parametric 2d/3d CAD
 Exec=${CMAKE_INSTALL_FULL_BINDIR}/solvespace
+MimeType=application/x-solvespace
 Icon=solvespace
 Type=Application
 Categories=Graphics