diff --git a/dlls/msvcr110/msvcr110.spec b/dlls/msvcr110/msvcr110.spec
index 76cafd9b02c..ddab904b809 100644
--- a/dlls/msvcr110/msvcr110.spec
+++ b/dlls/msvcr110/msvcr110.spec
@@ -704,8 +704,8 @@
 @ cdecl -arch=win64 ?__ExceptionPtrRethrow@@YAXPEBX@Z(ptr) __ExceptionPtrRethrow
 @ stub -arch=win32 ?__ExceptionPtrSwap@@YAXPAX0@Z
 @ stub -arch=win64 ?__ExceptionPtrSwap@@YAXPEAX0@Z
-@ stub -arch=win32 ?__ExceptionPtrToBool@@YA_NPBX@Z
-@ stub -arch=win64 ?__ExceptionPtrToBool@@YA_NPEBX@Z
+@ cdecl -arch=win32 ?__ExceptionPtrToBool@@YA_NPBX@Z(ptr) __ExceptionPtrToBool
+@ cdecl -arch=win64 ?__ExceptionPtrToBool@@YA_NPEBX@Z(ptr) __ExceptionPtrToBool
 @ cdecl __uncaught_exception() MSVCRT___uncaught_exception
 @ stub ?_inconsistency@@YAXXZ
 @ cdecl -arch=win32 ?_invalid_parameter@@YAXPBG00II@Z(wstr wstr wstr long long) MSVCRT__invalid_parameter
diff --git a/dlls/msvcr120/msvcr120.spec b/dlls/msvcr120/msvcr120.spec
index ad9749a0328..7efcb209dae 100644
--- a/dlls/msvcr120/msvcr120.spec
+++ b/dlls/msvcr120/msvcr120.spec
@@ -686,8 +686,8 @@
 @ cdecl -arch=win64 ?__ExceptionPtrRethrow@@YAXPEBX@Z(ptr) __ExceptionPtrRethrow
 @ stub -arch=win32 ?__ExceptionPtrSwap@@YAXPAX0@Z
 @ stub -arch=win64 ?__ExceptionPtrSwap@@YAXPEAX0@Z
-@ stub -arch=win32 ?__ExceptionPtrToBool@@YA_NPBX@Z
-@ stub -arch=win64 ?__ExceptionPtrToBool@@YA_NPEBX@Z
+@ cdecl -arch=win32 ?__ExceptionPtrToBool@@YA_NPBX@Z(ptr) __ExceptionPtrToBool
+@ cdecl -arch=win64 ?__ExceptionPtrToBool@@YA_NPEBX@Z(ptr) __ExceptionPtrToBool
 @ cdecl __uncaught_exception() MSVCRT___uncaught_exception
 @ stub ?_inconsistency@@YAXXZ
 @ cdecl -arch=win32 ?_invalid_parameter@@YAXPBG00II@Z(wstr wstr wstr long long) MSVCRT__invalid_parameter
diff --git a/dlls/msvcr120_app/msvcr120_app.spec b/dlls/msvcr120_app/msvcr120_app.spec
index fb3e4a31469..6bfc0b721a2 100644
--- a/dlls/msvcr120_app/msvcr120_app.spec
+++ b/dlls/msvcr120_app/msvcr120_app.spec
@@ -682,8 +682,8 @@
 @ cdecl -arch=win64 ?__ExceptionPtrRethrow@@YAXPEBX@Z(ptr) msvcr120.?__ExceptionPtrRethrow@@YAXPEBX@Z
 @ stub -arch=win32 ?__ExceptionPtrSwap@@YAXPAX0@Z
 @ stub -arch=win64 ?__ExceptionPtrSwap@@YAXPEAX0@Z
-@ stub -arch=win32 ?__ExceptionPtrToBool@@YA_NPBX@Z
-@ stub -arch=win64 ?__ExceptionPtrToBool@@YA_NPEBX@Z
+@ cdecl -arch=win32 ?__ExceptionPtrToBool@@YA_NPBX@Z(ptr) msvcr120.?__ExceptionPtrToBool@@YA_NPBX@Z
+@ cdecl -arch=win64 ?__ExceptionPtrToBool@@YA_NPEBX@Z(ptr) msvcr120.?__ExceptionPtrToBool@@YA_NPEBX@Z
 @ cdecl __uncaught_exception() msvcr120.__uncaught_exception
 @ stub ?_inconsistency@@YAXXZ
 @ cdecl -arch=win32 ?_invalid_parameter@@YAXPBG00II@Z(wstr wstr wstr long long) msvcr120.?_invalid_parameter@@YAXPBG00II@Z
diff --git a/dlls/msvcrt/cpp.c b/dlls/msvcrt/cpp.c
index 17292d55a83..b4704789d1d 100644
--- a/dlls/msvcrt/cpp.c
+++ b/dlls/msvcrt/cpp.c
@@ -1500,6 +1500,15 @@ void __cdecl __ExceptionPtrCurrentException(exception_ptr *ep)
 }
 #endif
 
+/*********************************************************************
+ * ?__ExceptionPtrToBool@@YA_NPBX@Z
+ * ?__ExceptionPtrToBool@@YA_NPEBX@Z
+ */
+MSVCRT_bool __cdecl __ExceptionPtrToBool(exception_ptr *ep)
+{
+    return !!ep->rec;
+}
+
 void* __cdecl __AdjustPointer(void *obj, const this_ptr_offsets *off)
 {
     return get_this_pointer(off, obj);