diff --git a/res/freedesktop/solvespace-flatpak.desktop.in b/res/freedesktop/solvespace-flatpak.desktop.in
index c80b67ad..f07f2934 100644
--- a/res/freedesktop/solvespace-flatpak.desktop.in
+++ b/res/freedesktop/solvespace-flatpak.desktop.in
@@ -2,7 +2,7 @@
 Version=1.0
 Name=SolveSpace
 Comment=A parametric 2d/3d CAD
-Exec=${CMAKE_INSTALL_FULL_BINDIR}/solvespace
+Exec=${CMAKE_INSTALL_FULL_BINDIR}/solvespace %f
 MimeType=application/x-solvespace
 Icon=com.solvespace.SolveSpace
 Type=Application
diff --git a/res/freedesktop/solvespace-snap.desktop b/res/freedesktop/solvespace-snap.desktop
index da0dda13..7beceb04 100644
--- a/res/freedesktop/solvespace-snap.desktop
+++ b/res/freedesktop/solvespace-snap.desktop
@@ -2,7 +2,7 @@
 Version=1.0
 Name=SolveSpace
 Comment=A parametric 2d/3d CAD
-Exec=solvespace
+Exec=solvespace %f
 MimeType=application/x-solvespace
 Icon=${SNAP}/meta/icons/hicolor/scalable/apps/snap.solvespace.svg
 Type=Application
diff --git a/res/freedesktop/solvespace.desktop.in b/res/freedesktop/solvespace.desktop.in
index 87e6863c..e9b78de2 100644
--- a/res/freedesktop/solvespace.desktop.in
+++ b/res/freedesktop/solvespace.desktop.in
@@ -2,7 +2,7 @@
 Version=1.0
 Name=SolveSpace
 Comment=A parametric 2d/3d CAD
-Exec=${CMAKE_INSTALL_FULL_BINDIR}/solvespace
+Exec=${CMAKE_INSTALL_FULL_BINDIR}/solvespace %f
 MimeType=application/x-solvespace
 Icon=solvespace
 Type=Application