diff --git a/transpiler/src/main/java/org/jsweet/transpiler/extension/RemoveJavaDependenciesAdapter.java b/transpiler/src/main/java/org/jsweet/transpiler/extension/RemoveJavaDependenciesAdapter.java
index 72f0b014..d1912cd4 100644
--- a/transpiler/src/main/java/org/jsweet/transpiler/extension/RemoveJavaDependenciesAdapter.java
+++ b/transpiler/src/main/java/org/jsweet/transpiler/extension/RemoveJavaDependenciesAdapter.java
@@ -863,7 +863,7 @@ public class RemoveJavaDependenciesAdapter extends Java2TypeScriptAdapter {
 				return true;
 			case "get":
 				printMacroName(targetMethodName);
-				print("((m,k) => m[k]?m[k]:null)(");
+				print("((m,k) => m[k]===undefined?null:m[k])(");
 				print(invocation.getTargetExpression(), delegate).print(", ").print(invocation.getArgument(0))
 						.print(")");
 				return true;
diff --git a/transpiler/src/test/java/source/nativestructures/Maps.java b/transpiler/src/test/java/source/nativestructures/Maps.java
index 859d9fbc..1061411e 100644
--- a/transpiler/src/test/java/source/nativestructures/Maps.java
+++ b/transpiler/src/test/java/source/nativestructures/Maps.java
@@ -82,6 +82,9 @@ public class Maps {
 		m3.remove("a");
 		assert m3.size() == 1;
 
+		m3.put("c", 0);
+		assert m3.get("c") == 0;
+		
 		Map<Integer, Integer> m4 = new HashMap<>();
 		m4.put(1, 1);
 		assert m4.size() == 1;
@@ -91,6 +94,7 @@ public class Maps {
 		m4.remove(1);
 		assert m4.size() == 1;
 		
+		
 		$export("trace", trace.join(","));
 
 	}