diff --git a/public/jit/x86/assembler-x86.h b/public/jit/x86/assembler-x86.h
index 276789215..974851174 100644
--- a/public/jit/x86/assembler-x86.h
+++ b/public/jit/x86/assembler-x86.h
@@ -538,6 +538,12 @@ class AssemblerX86 : public Assembler
   void imull(Register dest, Register src, int32_t imm) {
     imull(dest, Operand(src), imm);
   }
+  void mul(Register src) {
+    emit1(0xf7, 4, src.code);
+  }
+  void mul(const Operand &src) {
+    emit1(0xf7, 4, src);
+  }
 
   void testl(const Operand &op1, Register op2) {
     emit1(0x85, op2.code, op1);
diff --git a/sourcepawn/include/smx/smx-v1-opcodes.h b/sourcepawn/include/smx/smx-v1-opcodes.h
index c59017a0e..c4bff4796 100644
--- a/sourcepawn/include/smx/smx-v1-opcodes.h
+++ b/sourcepawn/include/smx/smx-v1-opcodes.h
@@ -143,7 +143,7 @@ namespace sp {
   _(SMUL,           "smul")           \
   _(SDIV,           "sdiv")           \
   _(SDIV_ALT,       "sdiv.alt")       \
-  _(UNGEN_UMUL,     "umul")           \
+  _(UMUL,           "umul")           \
   _(UDIV,           "udiv")           \
   _(UDIV_ALT,       "udiv.alt")       \
   _(ADD,            "add")            \
diff --git a/sourcepawn/jit/x86/jit_x86.cpp b/sourcepawn/jit/x86/jit_x86.cpp
index ab96118f0..9f212f3c0 100644
--- a/sourcepawn/jit/x86/jit_x86.cpp
+++ b/sourcepawn/jit/x86/jit_x86.cpp
@@ -598,6 +598,12 @@ Compiler::emitOp(OPCODE op)
       __ imull(pri, alt);
       break;
 
+    case OP_UMUL:
+      __ movl(tmp, alt);
+      __ mul(edx);    // (edx:eax) = eax * edx
+      __ movl(alt, tmp);
+      break;
+
     case OP_NOT:
       __ testl(eax, eax);
       __ movl(eax, 0);