diff --git a/Source/Core/Core/PowerPC/Jit64/Jit_Integer.cpp b/Source/Core/Core/PowerPC/Jit64/Jit_Integer.cpp
index b0a9cf4cf1..db3138fd5f 100644
--- a/Source/Core/Core/PowerPC/Jit64/Jit_Integer.cpp
+++ b/Source/Core/Core/PowerPC/Jit64/Jit_Integer.cpp
@@ -1956,14 +1956,7 @@ void Jit64::cntlzwx(UGeckoInstruction inst)
 
   if (gpr.IsImm(s))
   {
-    u32 mask = 0x80000000;
-    u32 i = 0;
-    for (; i < 32; i++, mask >>= 1)
-    {
-      if (gpr.Imm32(s) & mask)
-        break;
-    }
-    gpr.SetImmediate32(a, i);
+    gpr.SetImmediate32(a, Common::CountLeadingZeros(gpr.Imm32(s)));
   }
   else
   {