diff --git a/app/src/main/java/com/wbrawner/pihelper/MainFragment.kt b/app/src/main/java/com/wbrawner/pihelper/MainFragment.kt
index e631084..5acfcff 100644
--- a/app/src/main/java/com/wbrawner/pihelper/MainFragment.kt
+++ b/app/src/main/java/com/wbrawner/pihelper/MainFragment.kt
@@ -132,24 +132,25 @@ class MainFragment : Fragment() {
                 .create()
                 .apply {
                     setOnShowListener {
-                        getButton(AlertDialog.BUTTON_POSITIVE).setSuspendingOnClickListener(
-                            lifecycleScope
-                        ) {
-                            try {
-                                val rawTime = dialogView.time
-                                    .text
-                                    .toString()
-                                    .toLong()
-                                val checkedId =
-                                    dialogView.timeUnit.checkedRadioButtonId
-                                val computedTime = if (checkedId == R.id.seconds) rawTime
-                                else rawTime * 60
-                                viewModel.disablePiHole(computedTime)
-                                dismiss()
-                            } catch (e: Exception) {
-                                dialogView.time.error = "Failed to disable Pi-hole"
+                        getButton(AlertDialog.BUTTON_POSITIVE)
+                            .setSuspendingOnClickListener(lifecycleScope) {
+                                try {
+                                    val rawTime = dialogView.time
+                                        .text
+                                        .toString()
+                                        .toLong()
+                                    val computedTime =
+                                        when (dialogView.timeUnit.checkedRadioButtonId) {
+                                            R.id.seconds -> rawTime
+                                            R.id.minutes -> rawTime * 60
+                                            else -> rawTime * 3600
+                                        }
+                                    viewModel.disablePiHole(computedTime)
+                                    dismiss()
+                                } catch (e: Exception) {
+                                    dialogView.time.error = "Failed to disable Pi-hole"
+                                }
                             }
-                        }
                     }
                 }
                 .show()
diff --git a/app/src/main/res/layout/dialog_disable_custom_time.xml b/app/src/main/res/layout/dialog_disable_custom_time.xml
index 5f6b7e9..dc6c14a 100644
--- a/app/src/main/res/layout/dialog_disable_custom_time.xml
+++ b/app/src/main/res/layout/dialog_disable_custom_time.xml
@@ -40,5 +40,11 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:text="@string/duration_minutes" />
+
+        <RadioButton
+            android:id="@+id/hours"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/duration_hours" />
     </RadioGroup>
 </LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 3f240bf..5106b73 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -46,4 +46,5 @@
     <string name="action_authenticate_api_key">Authenticate with API Key</string>
     <string name="connecting_to_pihole">Connecting to Pi-hole…</string>
     <string name="action_cancel">Cancel</string>
+    <string name="duration_hours">Hours</string>
 </resources>