--- src/cgnstools/cgnscalc/unitconv.desktop.orig	2021-04-22 21:09:36 UTC
+++ src/cgnstools/cgnscalc/unitconv.desktop
@@ -6,5 +6,5 @@ Name=CGNSunitconv
 GenericName=Unit conversions tool
 Terminal=false
 Categories=Development;
-Exec="./unitconv"
+Exec="./unitconv.sh"
 Icon=../share/cgnstools/unitconv.png