diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0d925a7a..9fc0c445 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 - `getScale` WebView method is now deprecated. Use the new `getZoomScale` WebView method
 - Removed `final` keyword for all `HeadlessInAppWebView` events
 - Fixed wrong usage of Android WebView scale property
+- Fixed "java.lang.NullPointerException: com.pichillilorenzo.flutter_inappwebview.in_app_webview.InAppWebViewRenderProcessClient$1.success(InAppWebViewRenderProcessClient.java:37)" [#757](https://github.com/pichillilorenzo/flutter_inappwebview/issues/757)
 
 ## 5.2.1+1
 
diff --git a/android/src/main/java/com/pichillilorenzo/flutter_inappwebview/in_app_webview/InAppWebViewRenderProcessClient.java b/android/src/main/java/com/pichillilorenzo/flutter_inappwebview/in_app_webview/InAppWebViewRenderProcessClient.java
index 59a30cff..b3d96c9b 100644
--- a/android/src/main/java/com/pichillilorenzo/flutter_inappwebview/in_app_webview/InAppWebViewRenderProcessClient.java
+++ b/android/src/main/java/com/pichillilorenzo/flutter_inappwebview/in_app_webview/InAppWebViewRenderProcessClient.java
@@ -33,14 +33,16 @@ public class InAppWebViewRenderProcessClient extends WebViewRenderProcessClient
 
       @Override
       public void success(@Nullable Object response) {
-        Map<String, Object> responseMap = (Map<String, Object>) response;
-        Integer action = (Integer) responseMap.get("action");
-        if (action != null && renderer != null) {
-          switch (action) {
-            case 0:
-              if (WebViewFeature.isFeatureSupported(WebViewFeature.WEB_VIEW_RENDERER_TERMINATE))
-                renderer.terminate();
-              break;
+        if (response != null) {
+          Map<String, Object> responseMap = (Map<String, Object>) response;
+          Integer action = (Integer) responseMap.get("action");
+          if (action != null && renderer != null) {
+            switch (action) {
+              case 0:
+                if (WebViewFeature.isFeatureSupported(WebViewFeature.WEB_VIEW_RENDERER_TERMINATE))
+                  renderer.terminate();
+                break;
+            }
           }
         }
       }
@@ -65,14 +67,16 @@ public class InAppWebViewRenderProcessClient extends WebViewRenderProcessClient
 
       @Override
       public void success(@Nullable Object response) {
-        Map<String, Object> responseMap = (Map<String, Object>) response;
-        Integer action = (Integer) responseMap.get("action");
-        if (action != null && renderer != null) {
-          switch (action) {
-            case 0:
-              if (WebViewFeature.isFeatureSupported(WebViewFeature.WEB_VIEW_RENDERER_TERMINATE))
-                renderer.terminate();
-              break;
+        if (response != null) {
+          Map<String, Object> responseMap = (Map<String, Object>) response;
+          Integer action = (Integer) responseMap.get("action");
+          if (action != null && renderer != null) {
+            switch (action) {
+              case 0:
+                if (WebViewFeature.isFeatureSupported(WebViewFeature.WEB_VIEW_RENDERER_TERMINATE))
+                  renderer.terminate();
+                break;
+            }
           }
         }
       }