diff --git a/profile b/profile
index 0aaf6a9..8351af2 100644
--- a/profile
+++ b/profile
@@ -4,5 +4,5 @@ export _JAVA_AWT_WM_NONREPARENTING=1
 export PATH="$HOME/.local/bin:$PATH"
 # make GTK apps scale correctly on hidpi
 export GDK_SCALE=2 GDK_DPI_SCALE=0.50 thunar
-export GDK_SCALE=2 GDK_DPI_SCALE=0.50 simple-scan
+export GDK_SCALE=2 GDK_DPI_SCALE=0.50 'simple-scan'
 export GDK_SCALE=2 GDK_DPI_SCALE=0.50 lutris