diff --git a/android/tsbackgroundfetch/src/main/java/com/transistorsoft/tsbackgroundfetch/BackgroundFetch.java b/android/tsbackgroundfetch/src/main/java/com/transistorsoft/tsbackgroundfetch/BackgroundFetch.java
index 42016be..0f330ef 100644
--- a/android/tsbackgroundfetch/src/main/java/com/transistorsoft/tsbackgroundfetch/BackgroundFetch.java
+++ b/android/tsbackgroundfetch/src/main/java/com/transistorsoft/tsbackgroundfetch/BackgroundFetch.java
@@ -153,6 +153,7 @@ public void stop(String taskId) {
                     }
                     BGTask.cancel(mContext, config.getTaskId(), config.getJobId());
                     config.destroy(mContext);
+                    mConfig.remove(config.getTaskId());
                 }
                 BGTask.clear();
             }
@@ -166,6 +167,9 @@ public void stop(String taskId) {
             if (config != null) {
                 config.destroy(mContext);
                 BGTask.cancel(mContext, config.getTaskId(), config.getJobId());
+                synchronized (mConfig) {
+                    mConfig.remove(config.getTaskId());
+                }
             }
         }
     }