Index: src/OFFile.m
==================================================================
--- src/OFFile.m
+++ src/OFFile.m
@@ -87,18 +87,22 @@
 
 static void
 closeHandle(OFFileHandle handle)
 {
 	Close(handle->handle);
+
+	Forbid();
 
 	if (handle->previous != NULL)
 		handle->previous->next = handle->next;
 	if (handle->next != NULL)
 		handle->next->previous = handle->previous;
 
 	if (firstHandle == handle)
 		firstHandle = handle->next;
+
+	Permit();
 
 	OFFreeMemory(handle);
 }
 
 OF_DESTRUCTOR()
@@ -289,18 +293,22 @@
 					    exceptionWithPath: path
 							 mode: mode
 							errNo: EIO];
 				}
 			}
+
+			Forbid();
 
 			handle->previous = NULL;
 			handle->next = firstHandle;
 
 			if (firstHandle != NULL)
 				firstHandle->previous = handle;
 
 			firstHandle = handle;
+
+			Permit();
 		} @catch (id e) {
 			OFFreeMemory(handle);
 			@throw e;
 		}
 #endif