diff --git a/library/DFHackAPI.cpp b/library/DFHackAPI.cpp
index 9b82582d0..9c732fe26 100644
--- a/library/DFHackAPI.cpp
+++ b/library/DFHackAPI.cpp
@@ -1419,6 +1419,7 @@ bool API::InitViewAndCursor()
     }
     catch (Error::MissingMemoryDefinition&)
     {
+        d->cursorWindowInited = false;
         throw;
     }
 }
@@ -1434,6 +1435,7 @@ bool API::InitViewSize()
     }
     catch (Error::MissingMemoryDefinition&)
     {
+        d->viewSizeInited = false;
         throw;
     }
 }