diff --git a/reactos/include/reactos/libs/pseh/pseh2.h b/reactos/include/reactos/libs/pseh/pseh2.h
index 2e2a06ef0e7..b585b0c25c3 100644
--- a/reactos/include/reactos/libs/pseh/pseh2.h
+++ b/reactos/include/reactos/libs/pseh/pseh2.h
@@ -87,43 +87,6 @@ extern void __cdecl _SEH2Return(void);
 }
 #endif
 
-#if defined(__i386__)
-typedef struct __SEHTrampoline
-{
-	unsigned char STR_MovEcx;
-	unsigned char STR_Closure[4];
-	unsigned char STR_Jmp;
-	unsigned char STR_Function[4];
-}
-_SEHTrampoline_t;
-
-static
-__inline__
-__attribute__((always_inline))
-int _SEHIsTrampoline(_SEHTrampoline_t * trampoline_)
-{
-	return trampoline_->STR_MovEcx == 0xb9 && trampoline_->STR_Jmp == 0xe9;
-}
-
-static
-__inline__
-__attribute__((always_inline))
-void * _SEHFunctionFromTrampoline(_SEHTrampoline_t * trampoline_)
-{
-	return (void *)(*(int *)(&trampoline_->STR_Function[0]) + (int)(trampoline_ + 1));
-}
-
-static
-__inline__
-__attribute__((always_inline))
-void * _SEHClosureFromTrampoline(_SEHTrampoline_t * trampoline_)
-{
-	return (void *)*(int *)(&trampoline_->STR_Closure[0]);
-}
-#else
-#error TODO
-#endif
-
 /* A no-op side effect that scares GCC */
 #define __SEH_SIDE_EFFECT __asm__ __volatile__("#")
 
diff --git a/reactos/lib/pseh/i386/framebased-gcchack.c b/reactos/lib/pseh/i386/framebased-gcchack.c
index fa59b4d15a6..ccf75c0ac2a 100644
--- a/reactos/lib/pseh/i386/framebased-gcchack.c
+++ b/reactos/lib/pseh/i386/framebased-gcchack.c
@@ -42,6 +42,34 @@ extern DECLSPEC_NORETURN int __SEH2Handle(void *, void *, void *, void *, void *
 extern int __cdecl __SEH2FrameHandler(struct _EXCEPTION_RECORD *, void *, struct _CONTEXT *, void *);
 extern int __cdecl __SEH2UnwindHandler(struct _EXCEPTION_RECORD *, void *, struct _CONTEXT *, void *);
 
+typedef struct __SEHTrampoline
+{
+	unsigned char STR_MovEcx;
+	unsigned char * STR_Closure;
+	unsigned char STR_Jmp;
+	unsigned char * STR_Function;
+}
+__attribute__((packed))
+_SEHTrampoline_t;
+
+FORCEINLINE
+int _SEHIsTrampoline(_SEHTrampoline_t * trampoline_)
+{
+	return trampoline_->STR_MovEcx == 0xb9 && trampoline_->STR_Jmp == 0xe9;
+}
+
+FORCEINLINE
+void * _SEHFunctionFromTrampoline(_SEHTrampoline_t * trampoline_)
+{
+	return (int)(trampoline_ + 1) + trampoline_->STR_Function;
+}
+
+FORCEINLINE
+void * _SEHClosureFromTrampoline(_SEHTrampoline_t * trampoline_)
+{
+	return trampoline_->STR_Closure;
+}
+
 FORCEINLINE
 _SEH2Registration_t * __cdecl _SEH2CurrentRegistration(void)
 {