diff --git a/src/main/java/org/cryptomator/linux/autostart/FreedesktopAutoStartService.java b/src/main/java/org/cryptomator/linux/autostart/FreedesktopAutoStartService.java
index f36a135..43b9cb0 100644
--- a/src/main/java/org/cryptomator/linux/autostart/FreedesktopAutoStartService.java
+++ b/src/main/java/org/cryptomator/linux/autostart/FreedesktopAutoStartService.java
@@ -44,11 +44,7 @@ public FreedesktopAutoStartService() {
 		var xdgConfigDirString = Objects.requireNonNullElse(System.getenv("XDG_CONFIG_HOME"), System.getProperty("user.home") + "/.config");
 		this.autostartFile = Path.of(xdgConfigDirString, "autostart", AUTOSTART_FILENAME);
 
-		var execValue = System.getProperty(CMD_PROPERTY);
-		if (execValue == null) {
-			LOG.debug("JVM property {} not set, using command path", CMD_PROPERTY);
-			execValue = ProcessHandle.current().info().command().orElse("");
-		}
+		var execValue = System.getProperty(CMD_PROPERTY,"");
 		this.hasExecValue = !execValue.isBlank();
 		this.content = CONTENT_TEMPLATE.formatted(execValue, this.getClass().getName());
 	}
diff --git a/src/main/java/org/cryptomator/linux/quickaccess/DolphinPlaces.java b/src/main/java/org/cryptomator/linux/quickaccess/DolphinPlaces.java
index 74e268f..8c127b5 100644
--- a/src/main/java/org/cryptomator/linux/quickaccess/DolphinPlaces.java
+++ b/src/main/java/org/cryptomator/linux/quickaccess/DolphinPlaces.java
@@ -6,6 +6,7 @@
 import org.cryptomator.integrations.common.Priority;
 import org.cryptomator.integrations.quickaccess.QuickAccessService;
 import org.cryptomator.integrations.quickaccess.QuickAccessServiceException;
+import org.cryptomator.linux.util.SupportUtil;
 import org.xml.sax.SAXException;
 
 import javax.xml.XMLConstants;
@@ -160,14 +161,6 @@ private int indexOfEntryOpeningTag(String placesContent, int idIndex) {
 
 	@CheckAvailability
 	public static boolean isSupported() {
-		try {
-			var nautilusExistsProc = new ProcessBuilder().command("test", "`command -v dolphin`").start();
-			if (nautilusExistsProc.waitFor(5000, TimeUnit.MILLISECONDS)) {
-				return nautilusExistsProc.exitValue() == 0;
-			}
-		} catch (IOException | InterruptedException e) {
-			//NO-OP
-		}
-		return false;
+		return SupportUtil.commandExists("dolphin");
 	}
 }
diff --git a/src/main/java/org/cryptomator/linux/quickaccess/NautilusBookmarks.java b/src/main/java/org/cryptomator/linux/quickaccess/NautilusBookmarks.java
index 8013e34..c05ed73 100644
--- a/src/main/java/org/cryptomator/linux/quickaccess/NautilusBookmarks.java
+++ b/src/main/java/org/cryptomator/linux/quickaccess/NautilusBookmarks.java
@@ -6,6 +6,7 @@
 import org.cryptomator.integrations.common.Priority;
 import org.cryptomator.integrations.quickaccess.QuickAccessService;
 import org.cryptomator.integrations.quickaccess.QuickAccessServiceException;
+import org.cryptomator.linux.util.SupportUtil;
 
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
@@ -84,14 +85,6 @@ public void remove() throws QuickAccessServiceException {
 
 	@CheckAvailability
 	public static boolean isSupported() {
-		try {
-			var nautilusExistsProc = new ProcessBuilder().command("test", "`command -v nautilus`").start();
-			if (nautilusExistsProc.waitFor(5000, TimeUnit.MILLISECONDS)) {
-				return nautilusExistsProc.exitValue() == 0;
-			}
-		} catch (IOException | InterruptedException e) {
-			//NO-OP
-		}
-		return false;
+		return SupportUtil.commandExists("nautilus");
 	}
 }
diff --git a/src/main/java/org/cryptomator/linux/revealpath/DBusSendRevealPathService.java b/src/main/java/org/cryptomator/linux/revealpath/DBusSendRevealPathService.java
index 39529ff..be39d6b 100644
--- a/src/main/java/org/cryptomator/linux/revealpath/DBusSendRevealPathService.java
+++ b/src/main/java/org/cryptomator/linux/revealpath/DBusSendRevealPathService.java
@@ -11,7 +11,6 @@
 import java.nio.file.Path;
 import java.nio.file.attribute.BasicFileAttributes;
 import java.util.Arrays;
-import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
@@ -60,20 +59,10 @@ public void reveal(Path path) throws RevealFailedException {
 
 	@Override
 	public boolean isSupported() {
-		CountDownLatch waitBarrier = new CountDownLatch(2);
-		ProcessBuilder dbusSendExistsBuilder = new ProcessBuilder().command("test", " `command -v dbus-send`");
-		ProcessBuilder fileManager1ExistsBuilder = createFileManager1Check();
-
 		try {
-			var dbusSendExists = dbusSendExistsBuilder.start();
-			dbusSendExists.onExit().thenRun(waitBarrier::countDown);
-			var fileManager1Exists = fileManager1ExistsBuilder.start();
-			fileManager1Exists.onExit().thenRun(waitBarrier::countDown);
-
-			if (waitBarrier.await(TIMEOUT_THRESHOLD, TimeUnit.MILLISECONDS)) {
-				if (dbusSendExists.exitValue() == 0 && fileManager1Exists.exitValue() == 0) {
-					return parseOutputForFileManagerInterface(fileManager1Exists);
-				}
+			var fileManager1Exists = createFileManager1Check().start();
+			if (fileManager1Exists.waitFor(TIMEOUT_THRESHOLD, TimeUnit.MILLISECONDS) && fileManager1Exists.exitValue() == 0) {
+				return parseOutputForFileManagerInterface(fileManager1Exists);
 			}
 		} catch (IOException | InterruptedException e) {
 			//NO-OP
@@ -90,7 +79,7 @@ public boolean isSupported() {
 	 * @throws IOException if the Inputer reader on the process output cannot be created
 	 */
 	private boolean parseOutputForFileManagerInterface(Process fileManager1Process) throws IOException {
-		if( fileManager1Process.isAlive()) {
+		if (fileManager1Process.isAlive()) {
 			throw new IllegalArgumentException("Process " + fileManager1Process + " must be terminated to read output.");
 		}
 		try (var reader = fileManager1Process.inputReader(StandardCharsets.UTF_8)) {
diff --git a/src/main/java/org/cryptomator/linux/util/SupportUtil.java b/src/main/java/org/cryptomator/linux/util/SupportUtil.java
new file mode 100644
index 0000000..5c022d9
--- /dev/null
+++ b/src/main/java/org/cryptomator/linux/util/SupportUtil.java
@@ -0,0 +1,21 @@
+package org.cryptomator.linux.util;
+
+import java.io.IOException;
+import java.util.Objects;
+import java.util.concurrent.TimeUnit;
+
+public class SupportUtil {
+
+	public static boolean commandExists(String commandName) {
+		var shell = Objects.requireNonNullElse(System.getenv("SHELL"),"sh");
+		try {
+			var cmdExistsProcess = new ProcessBuilder().command(shell, "-c", "command -v " + commandName).start();
+			if (cmdExistsProcess.waitFor(5000, TimeUnit.MILLISECONDS)) {
+				return cmdExistsProcess.exitValue() == 0;
+			}
+		} catch (IOException | InterruptedException e) {
+			//NO-OP
+		}
+		return false;
+	}
+}