diff --git a/src/elements/lck-windows.c b/src/elements/lck-windows.c
index 977457de..31dab38d 100644
--- a/src/elements/lck-windows.c
+++ b/src/elements/lck-windows.c
@@ -717,6 +717,7 @@ static uint64_t WINAPI stub_GetTickCount64(void) {
 
 /*----------------------------------------------------------------------------*/
 #ifndef MDBX_ALLOY
+MDBX_NtExtendSection mdbx_NtExtendSection;
 MDBX_GetFileInformationByHandleEx mdbx_GetFileInformationByHandleEx;
 MDBX_GetVolumeInformationByHandleW mdbx_GetVolumeInformationByHandleW;
 MDBX_GetFinalPathNameByHandleW mdbx_GetFinalPathNameByHandleW;
@@ -775,4 +776,6 @@ static void mdbx_winnt_import(void) {
   const HINSTANCE hNtdll = GetModuleHandleA("ntdll.dll");
   mdbx_NtFsControlFile =
       (MDBX_NtFsControlFile)GetProcAddress(hNtdll, "NtFsControlFile");
+  mdbx_NtExtendSection =
+      (MDBX_NtExtendSection)GetProcAddress(hNtdll, "NtExtendSection");
 }
diff --git a/src/elements/osal.c b/src/elements/osal.c
index 14134ac4..70d88565 100644
--- a/src/elements/osal.c
+++ b/src/elements/osal.c
@@ -67,11 +67,6 @@ typedef struct _SECTION_BASIC_INFORMATION {
   LARGE_INTEGER SectionSize;
 } SECTION_BASIC_INFORMATION, *PSECTION_BASIC_INFORMATION;
 
-extern NTSTATUS NTAPI NtExtendSection(IN HANDLE SectionHandle,
-                                      IN PLARGE_INTEGER NewSectionSize);
-
-typedef enum _SECTION_INHERIT { ViewShare = 1, ViewUnmap = 2 } SECTION_INHERIT;
-
 extern NTSTATUS NTAPI NtMapViewOfSection(
     IN HANDLE SectionHandle, IN HANDLE ProcessHandle, IN OUT PVOID *BaseAddress,
     IN ULONG_PTR ZeroBits, IN SIZE_T CommitSize,
@@ -1404,8 +1399,10 @@ MDBX_INTERNAL_FUNC int mdbx_mresize(int flags, mdbx_mmap_t *map, size_t size,
 
   if (!(flags & MDBX_RDONLY) && limit == map->limit && size > map->current) {
     /* growth rw-section */
+    if (!mdbx_NtExtendSection)
+      return ERROR_CALL_NOT_IMPLEMENTED /* workaround for Wine */;
     SectionSize.QuadPart = size;
-    status = NtExtendSection(map->section, &SectionSize);
+    status = mdbx_NtExtendSection(map->section, &SectionSize);
     if (!NT_SUCCESS(status))
       return ntstatus2errcode(status);
     map->current = size;
diff --git a/src/elements/osal.h b/src/elements/osal.h
index 86d3c746..d2082a0f 100644
--- a/src/elements/osal.h
+++ b/src/elements/osal.h
@@ -849,6 +849,12 @@ typedef DWORD(WINAPI *MDBX_OfferVirtualMemory(
 MDBX_INTERNAL_VAR MDBX_OfferVirtualMemory mdbx_OfferVirtualMemory;
 #endif /* unused for now */
 
+typedef enum _SECTION_INHERIT { ViewShare = 1, ViewUnmap = 2 } SECTION_INHERIT;
+
+typedef NTSTATUS(NTAPI *MDBX_NtExtendSection)(IN HANDLE SectionHandle,
+                                              IN PLARGE_INTEGER NewSectionSize);
+MDBX_INTERNAL_VAR MDBX_NtExtendSection mdbx_NtExtendSection;
+
 #endif /* Windows */
 
 /*----------------------------------------------------------------------------*/