diff --git a/convspec/build.h b/convspec/build.h
index 7e69edeac26..31edd8496db 100644
--- a/convspec/build.h
+++ b/convspec/build.h
@@ -173,6 +173,7 @@ struct strarray
 #define FLAG_REGISTER  0x10  /* use register calling convention */
 #define FLAG_PRIVATE   0x20  /* function is private (cannot be imported) */
 #define FLAG_ORDINAL   0x40  /* function should be imported by ordinal */
+#define FLAG_STKPROLOG 0x80  /* add stack adjust prolog for programs that hook exports */
 
 #define FLAG_FORWARD   0x100  /* function is a forwarded name */
 #define FLAG_EXT_LINK  0x200  /* function links to an external symbol */
diff --git a/convspec/parser.c b/convspec/parser.c
index ad996547a5b..d0358461a70 100644
--- a/convspec/parser.c
+++ b/convspec/parser.c
@@ -69,6 +69,7 @@ static const char * const FlagNames[] =
     "register",    /* FLAG_REGISTER */
     "private",     /* FLAG_PRIVATE */
     "ordinal",     /* FLAG_ORDINAL */
+    "stkprolog",   /* FLAG_STKPROLOG */
     NULL
 };
 
@@ -502,6 +503,7 @@ static const char *parse_spec_flags( DLLSPEC *spec, ORDDEF *odp )
             {
             case FLAG_RET16:
             case FLAG_REGISTER:
+            case FLAG_STKPROLOG:
                 if (spec->type == SPEC_WIN32)
                     error( "Flag '%s' is not supported in Win32\n", FlagNames[i] );
                 break;
diff --git a/convspec/spec16.c b/convspec/spec16.c
index f27fe425bbb..ce030433b7d 100644
--- a/convspec/spec16.c
+++ b/convspec/spec16.c
@@ -768,6 +768,14 @@ static void output_module16( DLLSPEC *spec )
         if (!odp || !is_function( odp )) continue;
         output( ".L__wine_%s_%u:\n", spec->c_name, i );
         output( "\tpushw %%bp\n" );
+        if (odp->flags & FLAG_STKPROLOG)
+        {
+            output( "\tmovw %%sp, %%bp\n" );
+            output( "\tpushw $0x1234\n" );
+            output( "\tpopw %%bp\n" );
+            output( "\tpopw %%bp\n" );
+            output( "\tpushw %%bp\n" );
+        }
         output( "\tpushl $%s\n",
             odp->type == TYPE_PASCAL ? asm_name_stdcall16(odp->link_name, odp) : (odp->type == TYPE_STUB ? get_stub_name(odp, spec) : asm_name( odp->link_name )));
         output( "\tcallw .L__wine_spec_callfrom16_%s\n", get_callfrom16_name( odp ) );
diff --git a/krnl386/krnl386.exe16.spec b/krnl386/krnl386.exe16.spec
index 480b965f636..48259dfb733 100644
--- a/krnl386/krnl386.exe16.spec
+++ b/krnl386/krnl386.exe16.spec
@@ -96,7 +96,7 @@
 92  pascal   GetTempDrive(word) GetTempDrive
 93  pascal GetCodeHandle(segptr) GetCodeHandle16
 94  pascal -ret16 DefineHandleTable(word) DefineHandleTable16
-95  pascal -ret16 LoadLibrary(str) LoadLibrary16
+95  pascal -ret16 -stkprolog LoadLibrary(str) LoadLibrary16
 96  pascal FreeLibrary(word) WIN16_FreeLibrary16
 97  pascal -ret16 GetTempFileName(word str word ptr) GetTempFileName16
 98  pascal -ret16 GetLastDiskChange() KERNEL_nop