diff --git a/dll/win32/ole32/ole32.spec b/dll/win32/ole32/ole32.spec
index e1dbd9ebb1d..d4ed1163d42 100644
--- a/dll/win32/ole32/ole32.spec
+++ b/dll/win32/ole32/ole32.spec
@@ -23,6 +23,7 @@
 # CoCreateObjectInContext
 # CoDeactivateObject
 @ stdcall -stub CoDisableCallCancellation(ptr)
+@ stdcall -stub CoDisconnectContext(long)
 @ stdcall CoDisconnectObject(ptr long)
 @ stdcall CoDosDateTimeToFileTime(long long ptr) kernel32.DosDateTimeToFileTime
 @ stdcall -stub CoEnableCallCancellation(ptr)