diff --git a/app/src/main/kotlin/com/simplemobiletools/dialer/activities/CallActivity.kt b/app/src/main/kotlin/com/simplemobiletools/dialer/activities/CallActivity.kt
index 08d903e5..5e41097d 100644
--- a/app/src/main/kotlin/com/simplemobiletools/dialer/activities/CallActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/dialer/activities/CallActivity.kt
@@ -22,10 +22,7 @@ import com.simplemobiletools.commons.helpers.isOreoMr1Plus
 import com.simplemobiletools.commons.helpers.isOreoPlus
 import com.simplemobiletools.dialer.App
 import com.simplemobiletools.dialer.R
-import com.simplemobiletools.dialer.extensions.addCharacter
-import com.simplemobiletools.dialer.extensions.audioManager
-import com.simplemobiletools.dialer.extensions.config
-import com.simplemobiletools.dialer.extensions.getHandleToUse
+import com.simplemobiletools.dialer.extensions.*
 import com.simplemobiletools.dialer.helpers.CallContactAvatarHelper
 import com.simplemobiletools.dialer.helpers.CallManager
 import com.simplemobiletools.dialer.models.CallContact
@@ -466,7 +463,8 @@ class CallActivity : SimpleActivity() {
     }
 
     private fun initProximitySensor() {
-        if (!config.disableProximitySensor && (proximityWakeLock == null || proximityWakeLock?.isHeld == false)) {
+        if (!audioManager.hasExternalSpeaker() && !config.disableProximitySensor &&
+            (proximityWakeLock == null || proximityWakeLock?.isHeld == false)) {
             val powerManager = getSystemService(Context.POWER_SERVICE) as PowerManager
             proximityWakeLock = powerManager.newWakeLock(PowerManager.PROXIMITY_SCREEN_OFF_WAKE_LOCK, "com.simplemobiletools.dialer.pro:wake_lock")
             proximityWakeLock!!.acquire(60 * MINUTE_SECONDS * 1000L)
diff --git a/app/src/main/kotlin/com/simplemobiletools/dialer/extensions/AudioManager.kt b/app/src/main/kotlin/com/simplemobiletools/dialer/extensions/AudioManager.kt
new file mode 100644
index 00000000..10c0f46d
--- /dev/null
+++ b/app/src/main/kotlin/com/simplemobiletools/dialer/extensions/AudioManager.kt
@@ -0,0 +1,33 @@
+package com.simplemobiletools.dialer.extensions
+
+import android.media.AudioDeviceInfo
+import android.media.AudioManager
+import com.simplemobiletools.commons.helpers.isOreoPlus
+import com.simplemobiletools.commons.helpers.isSPlus
+
+fun AudioManager.hasExternalSpeaker(): Boolean {
+    val audioDevices = getDevices(AudioManager.GET_DEVICES_INPUTS)
+    if (isSPlus()) {
+        if (audioDevices.find {
+                it.type == AudioDeviceInfo.TYPE_BLE_HEADSET ||
+                    it.type == AudioDeviceInfo.TYPE_BLE_SPEAKER
+            } != null) {
+            return true
+        }
+    }
+    if (isOreoPlus()) {
+        if (audioDevices.find {
+                it.type == AudioDeviceInfo.TYPE_USB_HEADSET
+            } != null) {
+            return true
+        }
+    }
+    if (audioDevices.find {
+            it.type == AudioDeviceInfo.TYPE_WIRED_HEADSET ||
+            it.type == AudioDeviceInfo.TYPE_BLUETOOTH_SCO ||
+            it.type == AudioDeviceInfo.TYPE_BLUETOOTH_A2DP
+        } != null) {
+        return true
+    }
+    return false
+}