diff --git a/src/carp_instructions.c b/src/carp_instructions.c
index 4db8384..f5d4a31 100644
--- a/src/carp_instructions.c
+++ b/src/carp_instructions.c
@@ -40,6 +40,13 @@ definstr (MOD) {
   m->regs[CARP_ERX] = a % b;
 }

+definstr (REM) {
+  long long a = m->regs[carp_vm_next(m)],
+    b = m->regs[carp_vm_next(m)];
+
+  m->regs[CARP_ERX] = a % b;
+}
+
 definstr (NOT) {
   long long *reg = &m->regs[carp_vm_next(m)];

@@ -100,13 +107,6 @@ definstr (CMP) {
   m->regs[CARP_EAX] = a - b;
 }

-definstr (MOV) {
-  long long *rega = m->regs[carp_vm_next(m)],
-    *regb = m->regs[carp_vm_next(m)];
-
-  *regb = *rega;
-}
-
 definstr (JZ) {
   long long a;
   CARP_SPOP(a);
diff --git a/src/carp_instructions.h b/src/carp_instructions.h
index 4375db5..6b46df6 100644
--- a/src/carp_instructions.h
+++ b/src/carp_instructions.h
@@ -26,7 +26,7 @@ typedef enum {
   ci(PUSH) ,
   ci(POP)  ,
   ci(CMP)  ,
-  ci(MOV)  ,
+  ci(REM)  ,
   ci(JZ)   ,
   ci(RJZ)  ,
   ci(JNZ)  ,