diff --git a/src/main/kotlin/app/revanced/library/adb/AdbManager.kt b/src/main/kotlin/app/revanced/library/adb/AdbManager.kt
index 0be060d..123e4f2 100644
--- a/src/main/kotlin/app/revanced/library/adb/AdbManager.kt
+++ b/src/main/kotlin/app/revanced/library/adb/AdbManager.kt
@@ -84,14 +84,14 @@ sealed class AdbManager private constructor(deviceSerial: String? = null) {
 
             device.push(apk.file, TMP_PATH)
 
-            device.run("$CREATE_DIR $INSTALLATION_PATH")
-            device.run(INSTALL_PATCHED_APK, packageName)
+            device.run("$CREATE_DIR $INSTALLATION_PATH").waitFor()
+            device.run(INSTALL_PATCHED_APK, packageName).waitFor()
 
             device.createFile(TMP_PATH, MOUNT_SCRIPT.applyReplacement(packageName))
 
-            device.run(INSTALL_MOUNT, packageName)
-            device.run(UMOUNT, packageName) // Sanity check.
-            device.run(MOUNT_PATH, packageName)
+            device.run(INSTALL_MOUNT, packageName).waitFor()
+            device.run(UMOUNT, packageName).waitFor() // Sanity check.
+            device.run(MOUNT_PATH, packageName).waitFor()
             device.run(RESTART, packageName)
             device.run(DELETE, TMP_PATH)
 
diff --git a/src/main/kotlin/app/revanced/library/adb/Commands.kt b/src/main/kotlin/app/revanced/library/adb/Commands.kt
index 205f777..2b4d5ee 100644
--- a/src/main/kotlin/app/revanced/library/adb/Commands.kt
+++ b/src/main/kotlin/app/revanced/library/adb/Commands.kt
@@ -21,7 +21,7 @@ internal fun JadbDevice.run(command: String, su: Boolean = true): ShellProcess {
 }
 
 internal fun JadbDevice.hasSu() =
-    this.startCommand("su -h", false).waitFor() == 0
+    this.startCommand("which su", false).waitFor() == 0
 
 internal fun JadbDevice.push(file: File, targetFilePath: String) =
     push(file, RemoteFile(targetFilePath))