diff --git a/include/kernel/interrupt.h b/include/kernel/interrupt.h
index 781a599..caf6d9c 100644
--- a/include/kernel/interrupt.h
+++ b/include/kernel/interrupt.h
@@ -1,6 +1,15 @@
 #ifndef _KERNEL_INTERRUPT
 #define _KERNEL_INTERRUPT
 
+#ifdef __GNUC__
+struct IDT_entry {
+  unsigned short int offset_lowerbits;
+  unsigned short int selector;
+  unsigned char zero;
+  unsigned char type_attr;
+  unsigned short int offset_higherbits;
+} __attribute__((packed));
+#else
 struct IDT_entry {
   unsigned short int offset_lowerbits;
   unsigned short int selector;
@@ -8,7 +17,11 @@ struct IDT_entry {
   unsigned char type_attr;
   unsigned short int offset_higherbits;
 };
+#endif
 
+#ifdef __GNUC__
+__attribute((aligned(0x10)))
+#endif
 struct IDT_entry IDT[256];
 
 void idt_init(void);