diff --git a/app/src/main/java/org/thoughtcrime/securesms/logsubmit/SubmitDebugLogActivity.java b/app/src/main/java/org/thoughtcrime/securesms/logsubmit/SubmitDebugLogActivity.java
index aac06c7d90..a03bf9b8d7 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/logsubmit/SubmitDebugLogActivity.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/logsubmit/SubmitDebugLogActivity.java
@@ -330,7 +330,10 @@ public class SubmitDebugLogActivity extends BaseActivity {
     this.scrollToTopButton    = findViewById(R.id.debug_log_scroll_to_top);
     this.progressCard         = findViewById(R.id.debug_log_progress_card);
 
-    DebugLogsViewer.initWebView(logWebView, this, this::subscribeToLogLines);
+    DebugLogsViewer.initWebView(logWebView, this, () -> {
+      logWebView.animate().alpha(1f).setDuration(250).start();
+      subscribeToLogLines();
+    });
 
     submitButton.setOnClickListener(v -> onSubmitClicked());
     scrollToTopButton.setOnClickListener(v -> DebugLogsViewer.scrollToTop(logWebView));
diff --git a/app/src/main/res/layout/submit_debug_log_activity.xml b/app/src/main/res/layout/submit_debug_log_activity.xml
index 525c2f7a43..497a8761c2 100644
--- a/app/src/main/res/layout/submit_debug_log_activity.xml
+++ b/app/src/main/res/layout/submit_debug_log_activity.xml
@@ -32,6 +32,8 @@
       android:layout_width="match_parent"
       android:layout_height="0dp"
       android:scrollbars="vertical"
+      android:background="@color/transparent_black"
+      android:alpha="0"
       app:layout_constraintTop_toBottomOf="@id/debug_log_header_barrier"
       app:layout_constraintBottom_toTopOf="@id/debug_log_footer_barrier"/>
 
diff --git a/debuglogs-viewer/lib/src/main/assets/debuglogs-viewer.html b/debuglogs-viewer/lib/src/main/assets/debuglogs-viewer.html
index 08aae10f30..27c0f77dc7 100644
--- a/debuglogs-viewer/lib/src/main/assets/debuglogs-viewer.html
+++ b/debuglogs-viewer/lib/src/main/assets/debuglogs-viewer.html
@@ -8,6 +8,13 @@
 <head>
   <meta charset="UTF-8">
   <style>
+    /* We keep the background transparent to avoid white flashes in dark theme */
+    html, body {
+      background: transparent;
+      margin: 0;
+      padding: 0;
+    }
+
     #container { position: absolute; top: 0; bottom: 0; left: 0; right: 0; height: 100%; width: 100%; }
     .searchMatches              { position: absolute; background-color: rgba(182, 190, 250, 0.4); }
 
diff --git a/debuglogs-viewer/lib/src/main/java/org/signal/debuglogsviewer/DebugLogsViewer.kt b/debuglogs-viewer/lib/src/main/java/org/signal/debuglogsviewer/DebugLogsViewer.kt
index 44f39e9433..ac3f8810ae 100644
--- a/debuglogs-viewer/lib/src/main/java/org/signal/debuglogsviewer/DebugLogsViewer.kt
+++ b/debuglogs-viewer/lib/src/main/java/org/signal/debuglogsviewer/DebugLogsViewer.kt
@@ -7,6 +7,7 @@ package org.signal.debuglogsviewer
 
 import android.content.Context
 import android.content.res.Configuration
+import android.graphics.Color
 import android.webkit.ValueCallback
 import android.webkit.WebView
 import android.webkit.WebViewClient
@@ -28,13 +29,14 @@ object DebugLogsViewer {
     webview.isVerticalScrollBarEnabled = false
     webview.isHorizontalScrollBarEnabled = false
 
+    webview.setBackgroundColor(Color.TRANSPARENT)
+    webview.background = null
+
     webview.loadUrl("file:///android_asset/debuglogs-viewer.html")
 
     webview.webViewClient = object : WebViewClient() {
       override fun onPageFinished(view: WebView?, url: String?) {
-        // Set dark mode colors if in dark mode
-        val isDarkMode = (context.resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK) == Configuration.UI_MODE_NIGHT_YES
-        if (isDarkMode) {
+        if (context.isDarkTheme) {
           webview.evaluateJavascript("document.body.classList.add('dark');", null)
         }
         onFinished.run()
@@ -135,6 +137,9 @@ object DebugLogsViewer {
     webview.evaluateJavascript("onSearchClose();", null)
   }
 
+  private val Context.isDarkTheme
+    get() = (this.resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK) == Configuration.UI_MODE_NIGHT_YES
+
   fun interface LogReader {
     /** Returns the next bit of log, containing at most [size] lines (but may be less), or null if there are no logs remaining. */
     fun nextChunk(size: Int): String?
