diff --git a/src/lime/_internal/format/LZMA.hx b/src/lime/_internal/format/LZMA.hx
index f54f2ae7c..47510fecd 100644
--- a/src/lime/_internal/format/LZMA.hx
+++ b/src/lime/_internal/format/LZMA.hx
@@ -27,7 +27,7 @@ class LZMA
 		#end
 		#elseif js
 		var data = untyped #if haxe4 js.Syntax.code #else __js__ #end ("LZMA.compress")(new UInt8Array(bytes.getData()), 5);
-		if (data is String)
+		if ((data is String))
 		{
 			return Bytes.ofString(data);
 		}
@@ -60,7 +60,7 @@ class LZMA
 		#end
 		#elseif js
 		var data = untyped #if haxe4 js.Syntax.code #else __js__ #end ("LZMA.decompress")(new UInt8Array(bytes.getData()));
-		if (data is String)
+		if ((data is String))
 		{
 			return Bytes.ofString(data);
 		}