diff --git a/dlls/ntdll/virtual.c b/dlls/ntdll/virtual.c
index 450a1fb5dc0..7c2b1a93368 100644
--- a/dlls/ntdll/virtual.c
+++ b/dlls/ntdll/virtual.c
@@ -1348,7 +1348,7 @@ static NTSTATUS map_image( HANDLE hmapping, int fd, char *base, SIZE_T total_siz
 
     VIRTUAL_SetProt( view, ptr, ROUND_SIZE( 0, header_size ), VPROT_COMMITTED | VPROT_READ );
 
-    sec = (IMAGE_SECTION_HEADER*)((char *)&nt->OptionalHeader+nt->FileHeader.SizeOfOptionalHeader);
+    sec = sections;
     for (i = 0; i < nt->FileHeader.NumberOfSections; i++, sec++)
     {
         SIZE_T size;