diff --git a/steamtinkerlaunch b/steamtinkerlaunch
index 3a937242..d0f6895c 100755
--- a/steamtinkerlaunch
+++ b/steamtinkerlaunch
@@ -7,7 +7,7 @@
 PREFIX="/usr"
 PROGNAME="SteamTinkerLaunch"
 NICEPROGNAME="Steam Tinker Launch"
-PROGVERS="v14.0.20240617-1"
+PROGVERS="v14.0.20240618-1 (improve-customcmd-logging)"
 PROGCMD="${0##*/}"
 PROGINTERNALPROTNAME="Proton-stl"
 SHOSTL="stl"
@@ -12928,20 +12928,20 @@ function launchCustomProg {
 					writelog "INFO" "${FUNCNAME[0]} - FORK_CUSTOMCMD is set to 1 - forking the custom program in background and continue"
 					if [ -n "${RUNEXTPROGRAMARGS[0]}" ]; then
 						writelog "INFO" "${FUNCNAME[0]} - \"${RUNEXTPROGRAMARGS[*]}\" \"${LACO}\" \"${RUNCUSTOMCMD_ARGS[*]}\""
-						(sleep "$FWAIT"; notiShow "$( strFix "$NOTY_CUSTPROG_FORKED_NATIVE" "$NATIVEPROGNAME" )"; "${RUNEXTPROGRAMARGS[@]}" "$LACO" "${RUNCUSTOMCMD_ARGS[@]}") &
+						(sleep "$FWAIT"; notiShow "$( strFix "$NOTY_CUSTPROG_FORKED_NATIVE" "$NATIVEPROGNAME" )"; "${RUNEXTPROGRAMARGS[@]}" "$LACO" "${RUNCUSTOMCMD_ARGS[@]}" 2>&1 | tee "$STLSHM/${FUNCNAME[0]}.log") &
 					else
 						writelog "INFO" "${FUNCNAME[0]} - \"${LACO}\" \"${RUNCUSTOMCMD_ARGS[*]}\""
-						(sleep "$FWAIT"; notiShow "$( strFix "$NOTY_CUSTPROG_FORKED_NATIVE" "$NATIVEPROGNAME" )"; "$LACO" "${RUNCUSTOMCMD_ARGS[@]}") &
+						(sleep "$FWAIT"; notiShow "$( strFix "$NOTY_CUSTPROG_FORKED_NATIVE" "$NATIVEPROGNAME" )"; "$LACO" "${RUNCUSTOMCMD_ARGS[@]}" 2>&1 | tee "$STLSHM/${FUNCNAME[0]}.log") &
 					fi
 				else  # Regular native executable
 					writelog "INFO" "${FUNCNAME[0]} - Starting native custom command regularly"
 					notiShow "$( strFix "$NOTY_CUSTPROG_REG_NATIVE" "$NATIVEPROGNAME" )"
 					if [ -n "${RUNEXTPROGRAMARGS[0]}" ]; then
 						writelog "INFO" "${FUNCNAME[0]} - \"${RUNEXTPROGRAMARGS[*]}\" \"${LACO}\" \"${RUNCUSTOMCMD_ARGS[*]}\""
-						"${RUNEXTPROGRAMARGS[@]}" "$LACO" "${RUNCUSTOMCMD_ARGS[@]}"
+						"${RUNEXTPROGRAMARGS[@]}" "$LACO" "${RUNCUSTOMCMD_ARGS[@]}" 2>&1 | tee "$STLSHM/${FUNCNAME[0]}.log"
 					else
 						writelog "INFO" "${FUNCNAME[0]} - \"${LACO}\" \"${RUNCUSTOMCMD_ARGS[*]}\""
-						"$LACO" "${RUNCUSTOMCMD_ARGS[@]}"
+						"$LACO" "${RUNCUSTOMCMD_ARGS[@]}" 2>&1 | tee "$STLSHM/${FUNCNAME[0]}.log"
 					fi
 				fi
 			fi