diff --git a/decoration.js b/decoration.js
index d1ff3dd..ff4193f 100644
--- a/decoration.js
+++ b/decoration.js
@@ -223,7 +223,7 @@ var Decoration = class {
 
         let winId = this._guessWindowXID(win);
 
-        let xprops = GLib.spawn_command_line_sync(`xprop -id ${winId}`);
+        let xprops = GLib.spawn_command_line_sync(`@xprop@ -id ${winId}`);
         if (!xprops[0]) {
             Utils.log_debug(`Unable to determine windows '${win.get_title()}' original state`);
             return win._noTitleBarOriginalState = WindowState.UNKNOWN;
@@ -237,7 +237,7 @@ var Decoration = class {
         let prop = '_MOTIF_WM_HINTS';
         let value = '0x2, 0x0, %s, 0x0, 0x0'.format(hide ? '0x2' : '0x1');
 
-        GLib.spawn_command_line_sync(`xprop -id ${windId} -f ${prop} 32c -set ${prop} "${value}"`);
+        GLib.spawn_command_line_sync(`@xprop@ -id ${windId} -f ${prop} 32c -set ${prop} "${value}"`);
         if (!hide && !win.titlebar_is_onscreen()) {
             Utils.log_debug(`Shoving titlebar onscreen for window '${win.get_title()}'`);
             win.shove_titlebar_onscreen();
@@ -354,7 +354,7 @@ var Decoration = class {
         let act = win.get_compositor_private();
         let xwindow = act && act['x-window'];
         if (xwindow) {
-            let xwininfo = GLib.spawn_command_line_sync('xwininfo -children -id 0x%x'.format(xwindow));
+            let xwininfo = GLib.spawn_command_line_sync('@xwininfo@ -children -id 0x%x'.format(xwindow));
             if (xwininfo[0]) {
                 let str = ByteArray.toString(xwininfo[1]);
 
@@ -384,7 +384,7 @@ var Decoration = class {
         // Try enumerating all available windows and match the title. Note that this
         // may be necessary if the title contains special characters and `x-window`
         // is not available.
-        let result = GLib.spawn_command_line_sync('xprop -root _NET_CLIENT_LIST');
+        let result = GLib.spawn_command_line_sync('@xprop@ -root _NET_CLIENT_LIST');
         if (result[0]) {
             let str = ByteArray.toString(result[1]);
 
@@ -395,7 +395,7 @@ var Decoration = class {
 
             // For each window ID, check if the title matches the desired title.
             for (var i = 0; i < windowList.length; ++i) {
-                let cmd = 'xprop -id "' + windowList[i] + '" _NET_WM_NAME _NO_TITLE_BAR_ORIGINAL_STATE';
+                let cmd = '@xprop@ -id "' + windowList[i] + '" _NET_WM_NAME _NO_TITLE_BAR_ORIGINAL_STATE';
                 let result = GLib.spawn_command_line_sync(cmd);
 
                 if (result[0]) {
@@ -455,4 +455,4 @@ var Decoration = class {
         let styleContent = this._updateUserStyles();
         GLib.file_set_contents(this._userStylesPath, styleContent);
     }
-}
\ No newline at end of file
+}