diff --git a/include/instructions.h b/include/instructions.h
index a6ae8e3..c6a7ba1 100644
--- a/include/instructions.h
+++ b/include/instructions.h
@@ -91,6 +91,7 @@ public:
   void mov_ebp_imm32(); // 0xbd
   void mov_esi_imm32(); // 0xbe
   void mov_edi_imm32(); // 0xbf
+  void ret();           // 0xc3
   void leave();         // 0xc9
   void call_imm32();    // 0xe8
   void jmp_imm8();      // 0xeb
diff --git a/instructions.cpp b/instructions.cpp
index 3319f03..499f074 100644
--- a/instructions.cpp
+++ b/instructions.cpp
@@ -87,6 +87,7 @@ void Instructions::init_instructions(){
   this->instructions[0xbd] = &Instructions::mov_ebp_imm32;
   this->instructions[0xbe] = &Instructions::mov_esi_imm32;
   this->instructions[0xbf] = &Instructions::mov_edi_imm32;
+  this->instructions[0xc3] = &Instructions::ret;
   this->instructions[0xc9] = &Instructions::leave;
   this->instructions[0xe8] = &Instructions::call_imm32;
   this->instructions[0xeb] = &Instructions::jmp_imm8;
@@ -1064,6 +1065,12 @@ void Instructions::mov_edi_imm32(){
   this->eip += 4;
 }
 
+void Instructions::ret(){
+  //printf("ret called.\n");
+  this->eip = memory.read_uint32(this->registers[4]);
+  this->eip = swap_endian32(this->eip);
+}
+
 void Instructions::leave(){
   //printf("leave called.\n");