diff --git a/org.eclipse.lsp4j.jsonrpc/src/main/java/org/eclipse/lsp4j/jsonrpc/services/ServiceEndpoints.java b/org.eclipse.lsp4j.jsonrpc/src/main/java/org/eclipse/lsp4j/jsonrpc/services/ServiceEndpoints.java
index c8ad3f011..0d67dda9f 100644
--- a/org.eclipse.lsp4j.jsonrpc/src/main/java/org/eclipse/lsp4j/jsonrpc/services/ServiceEndpoints.java
+++ b/org.eclipse.lsp4j.jsonrpc/src/main/java/org/eclipse/lsp4j/jsonrpc/services/ServiceEndpoints.java
@@ -99,8 +99,8 @@ private static Map<String, JsonRpcMethod> getSupportedMethods(Class<?> type, Set
 					ResponseJsonAdapter responseTypeAdapterAnnotation = methodInfo.method.getAnnotation(ResponseJsonAdapter.class);
 					if (responseTypeAdapterAnnotation != null) {
 						try {
-							responseTypeAdapter = responseTypeAdapterAnnotation.value().newInstance();
-						} catch (InstantiationException | IllegalAccessException e) {
+							responseTypeAdapter = responseTypeAdapterAnnotation.value().getDeclaredConstructor().newInstance();
+						} catch (ReflectiveOperationException e) {
 							throw new RuntimeException(e);
 						}
 					}