diff --git a/resolver-dns-native-macos/src/main/java/io/netty/resolver/dns/macos/MacOSDnsServerAddressStreamProvider.java b/resolver-dns-native-macos/src/main/java/io/netty/resolver/dns/macos/MacOSDnsServerAddressStreamProvider.java
index 192e1ad8eb..8c5cdb2e2d 100644
--- a/resolver-dns-native-macos/src/main/java/io/netty/resolver/dns/macos/MacOSDnsServerAddressStreamProvider.java
+++ b/resolver-dns-native-macos/src/main/java/io/netty/resolver/dns/macos/MacOSDnsServerAddressStreamProvider.java
@@ -82,7 +82,7 @@ public final class MacOSDnsServerAddressStreamProvider implements DnsServerAddre
     }
 
     private static void loadNativeLibrary() {
-        if (PlatformDependent.isOsx()) {
+        if (!PlatformDependent.isOsx()) {
             throw new IllegalStateException("Only supported on MacOS/OSX");
         }
         String staticLibName = "netty_resolver_dns_native_macos";