diff --git a/src/EefcFlash.cpp b/src/EefcFlash.cpp
index 4f614017..3d4afdb1 100644
--- a/src/EefcFlash.cpp
+++ b/src/EefcFlash.cpp
@@ -272,6 +272,7 @@ EefcFlash::writeOptions()
         waitFSR();
         writeFCR0(EEFC_FCMD_SGPB, 0);
     }
+    waitFSR();  // Verify that all flash operations have completed
 }
 
 void