diff --git a/src/ceval.cpp b/src/ceval.cpp
index fac6c535..3404e09d 100644
--- a/src/ceval.cpp
+++ b/src/ceval.cpp
@@ -10,7 +10,7 @@ namespace pkpy{
 
 #define PREDICT_INT_DIV_OP(op)  \
     if(is_small_int(_0) && is_small_int(_1)){   \
-        if(_1 == VAR(0)) ZeroDivisionError();   \
+        if(_1 == 0b10) ZeroDivisionError();   \
         TOP() = VAR((i64)(PK_BITS(_0)>>2) op (i64)(PK_BITS(_1)>>2)); \
         DISPATCH() \
     }