diff --git a/src/main.d b/src/main.d
index 0779ded7..e3304128 100644
--- a/src/main.d
+++ b/src/main.d
@@ -398,17 +398,21 @@ int main(string[] args)
 							onedrive.http.shutdown();
 							return EXIT_FAILURE;
 						}
-						performSync(sync, singleDirectory, downloadOnly, localFirst, uploadOnly);
-						if (!downloadOnly) {
-							// discard all events that may have been generated by the sync
-							m.update(false);
+						try {
+							performSync(sync, singleDirectory, downloadOnly, localFirst, uploadOnly);
+							if (!downloadOnly) {
+								// discard all events that may have been generated by the sync
+								m.update(false);
+							}
+						} catch (CurlException e) {
+							// we already tried three times in the performSync routine
+							// if we still have problems, then the sync handle might have
+							// gone stale and we need to re-initialize the sync engine
+							log.log("Pesistent connection errors, reinitializing connection");
+							sync.reset();
 						}
 					} catch (CurlException e) {
-						// TODO better check of type of exception from Curl
-						// could be either timeout of operation of connection error
-						// No network connection to OneDrive Service
-						// Don't overload notifications
-						log.log("No network connection to Microsoft OneDrive Service, skipping sync");
+						log.log("Cannot initialize connection to OneDrive");
 					}
 					// performSync complete, set lastCheckTime to current time
 					lastCheckTime = MonoTime.currTime();
@@ -514,8 +518,11 @@ void performSync(SyncEngine sync, string singleDirectory, bool downloadOnly, boo
 			}
 			count = -1;
 		} catch (Exception e) {
-			if (++count == 3) throw e;
-			else log.log("Retrial sync count: ", count, ": ", e.msg);
+			if (++count == 3) {
+				log.log("Giving up on sync after three attempts: ", e.msg);
+				throw e;
+			} else 
+				log.log("Retry sync count: ", count, ": ", e.msg);
 		}
 	} while (count != -1);
 }
diff --git a/src/sync.d b/src/sync.d
index 135ae633..56474590 100644
--- a/src/sync.d
+++ b/src/sync.d
@@ -180,6 +180,11 @@ final class SyncEngine
 		session = UploadSession(onedrive, cfg.uploadStateFilePath);
 	}
 
+	void reset()
+	{
+		initDone=false;
+	}
+
 	void init()
 	{
 		// Set accountType, defaultDriveId, defaultRootId & remainingFreeSpace once and reuse where possible