diff --git a/core/src/main/java/org/jruby/ext/socket/RubyUDPSocket.java b/core/src/main/java/org/jruby/ext/socket/RubyUDPSocket.java
index 368feb79716..ebc16f8a6cf 100644
--- a/core/src/main/java/org/jruby/ext/socket/RubyUDPSocket.java
+++ b/core/src/main/java/org/jruby/ext/socket/RubyUDPSocket.java
@@ -433,6 +433,7 @@ public IRubyObject send(ThreadContext context, IRubyObject[] args) {
             final String message = e.getMessage();
             if (message != null) {
                 switch(message) {
+                case "Message too large": // Alpine Linux
                 case "Message too long":
                     throw runtime.newErrnoEMSGSIZEError();
                 }
diff --git a/core/src/main/java/org/jruby/runtime/Helpers.java b/core/src/main/java/org/jruby/runtime/Helpers.java
index 2d403417229..888a5ccd9d9 100644
--- a/core/src/main/java/org/jruby/runtime/Helpers.java
+++ b/core/src/main/java/org/jruby/runtime/Helpers.java
@@ -276,6 +276,7 @@ public static Errno errnoFromException(Throwable t) {
 
                 case "No space left on device" : return Errno.ENOSPC;
                 case "Too many open files" : return Errno.EMFILE;
+                case "Message too large" : // Alpine Linux
                 case "Message too long" : return Errno.EMSGSIZE;
             }
             if (Platform.IS_WINDOWS && errorMessage.contains("connection was aborted")) return Errno.ECONNRESET;