diff --git a/compiler/gen/src/llvm/build.rs b/compiler/gen/src/llvm/build.rs
index 98386c2270..1beb7372cb 100644
--- a/compiler/gen/src/llvm/build.rs
+++ b/compiler/gen/src/llvm/build.rs
@@ -2492,9 +2492,6 @@ struct SwitchArgsIr<'a, 'ctx> {
 }
 
 fn const_i128<'a, 'ctx, 'env>(env: &Env<'a, 'ctx, 'env>, value: i128) -> IntValue<'ctx> {
-    // TODO verify the order [a, b] is correct for larger numbers when we can parse them
-    debug_assert!(value <= i64::MAX as i128);
-
     // truncate the lower 64 bits
     let value = value as u128;
     let a = value as u64;
diff --git a/compiler/gen_dev/src/generic64/mod.rs b/compiler/gen_dev/src/generic64/mod.rs
index b734f5450f..672c8678b6 100644
--- a/compiler/gen_dev/src/generic64/mod.rs
+++ b/compiler/gen_dev/src/generic64/mod.rs
@@ -520,7 +520,7 @@ impl<
             Literal::Int(x) => {
                 let reg = self.claim_general_reg(sym)?;
                 let val = *x;
-                ASM::mov_reg64_imm64(&mut self.buf, reg, val);
+                ASM::mov_reg64_imm64(&mut self.buf, reg, val as i64);
                 Ok(())
             }
             Literal::Float(x) => {