diff --git a/app/src/main/java/com/neatstudio/tmuxandroid/AppEventSocketClient.java b/app/src/main/java/com/neatstudio/tmuxandroid/AppEventSocketClient.java
index 7bfbd05..726f2b1 100644
--- a/app/src/main/java/com/neatstudio/tmuxandroid/AppEventSocketClient.java
+++ b/app/src/main/java/com/neatstudio/tmuxandroid/AppEventSocketClient.java
@@ -97,7 +97,8 @@ final class AppEventSocketClient {
         raw.connect(new InetSocketAddress(uri.getHost(), port), SOCKET_CONNECT_TIMEOUT_MS);
         Socket connected;
         if ("wss".equalsIgnoreCase(uri.getScheme())) {
-            connected = SSLSocketFactory.getDefault().createSocket(raw, uri.getHost(), port, true);
+            connected = ((SSLSocketFactory) SSLSocketFactory.getDefault())
+                    .createSocket(raw, uri.getHost(), port, true);
         } else {
             connected = raw;
         }
diff --git a/app/src/main/java/com/neatstudio/tmuxandroid/TerminalSocketClient.java b/app/src/main/java/com/neatstudio/tmuxandroid/TerminalSocketClient.java
index 0f9e8cf..f0fbe4f 100644
--- a/app/src/main/java/com/neatstudio/tmuxandroid/TerminalSocketClient.java
+++ b/app/src/main/java/com/neatstudio/tmuxandroid/TerminalSocketClient.java
@@ -134,7 +134,8 @@ final class TerminalSocketClient {
         raw.connect(new InetSocketAddress(uri.getHost(), port), SOCKET_CONNECT_TIMEOUT_MS);
         Socket connected;
         if ("wss".equalsIgnoreCase(uri.getScheme())) {
-            connected = SSLSocketFactory.getDefault().createSocket(raw, uri.getHost(), port, true);
+            connected = ((SSLSocketFactory) SSLSocketFactory.getDefault())
+                    .createSocket(raw, uri.getHost(), port, true);
         } else {
             connected = raw;
         }