diff --git a/steamtinkerlaunch b/steamtinkerlaunch
index 0006b8d2..84dbcd7a 100755
--- a/steamtinkerlaunch
+++ b/steamtinkerlaunch
@@ -7,7 +7,7 @@
 PREFIX="/usr"
 PROGNAME="SteamTinkerLaunch"
 NICEPROGNAME="Steam Tinker Launch"
-PROGVERS="v14.0.20240323-1"
+PROGVERS="v14.0.20240323-1 (extProtonRun-printf-q)"
 PROGCMD="${0##*/}"
 PROGINTERNALPROTNAME="Proton-stl"
 SHOSTL="stl"
@@ -7079,7 +7079,7 @@ function extProtonRun {
 		if [ -z "$PROGARGS" ] || [ "$PROGARGS" == "$NON" ]; then
 			RUNPROGARGS=""
 		else
-			mapfile -d " " -t -O "${#RUNPROGARGS[@]}" RUNPROGARGS < <(printf '%s' "$PROGARGS")
+			mapfile -d " " -t -O "${#RUNPROGARGS[@]}" RUNPROGARGS < <(printf '%q' "$PROGARGS")
 		fi
 
 		FWAIT=2