diff --git a/compiler/gen/src/llvm/build.rs b/compiler/gen/src/llvm/build.rs
index d0716720e3..de5334c352 100644
--- a/compiler/gen/src/llvm/build.rs
+++ b/compiler/gen/src/llvm/build.rs
@@ -1255,6 +1255,18 @@ fn call_with_args<'a, 'ctx, 'env>(
 
             BasicValueEnum::IntValue(int_val)
         }
+        Symbol::INT_NEQ_I1 => {
+            debug_assert!(args.len() == 2);
+
+            let int_val = env.builder.build_int_compare(
+                IntPredicate::NE,
+                args[0].0.into_int_value(),
+                args[1].0.into_int_value(),
+                "cmp_i1",
+            );
+
+            BasicValueEnum::IntValue(int_val)
+        }
         Symbol::INT_EQ_I8 => {
             debug_assert!(args.len() == 2);
 
@@ -1267,6 +1279,18 @@ fn call_with_args<'a, 'ctx, 'env>(
 
             BasicValueEnum::IntValue(int_val)
         }
+        Symbol::INT_NEQ_I8 => {
+            debug_assert!(args.len() == 2);
+
+            let int_val = env.builder.build_int_compare(
+                IntPredicate::NE,
+                args[0].0.into_int_value(),
+                args[1].0.into_int_value(),
+                "cmp_i8",
+            );
+
+            BasicValueEnum::IntValue(int_val)
+        }
         Symbol::NUM_TO_FLOAT => {
             // TODO specialize this to be not just for i64!
             let builtin_fn_name = "i64_to_f64_";
diff --git a/compiler/module/src/symbol.rs b/compiler/module/src/symbol.rs
index ca57c6bc5b..bb2c11ff2d 100644
--- a/compiler/module/src/symbol.rs
+++ b/compiler/module/src/symbol.rs
@@ -607,6 +607,8 @@ define_builtins! {
         17 INT_DIV_ARG_NUMERATOR: "div#numerator" // The first argument to `//`, the numerator
         18 INT_DIV_ARG_DENOMINATOR: "div#denominator" // The first argument to `//`, the denominator
         19 INT_NEQ_I64: "#neqi64"
+        20 INT_NEQ_I1: "#neqi1"
+        21 INT_NEQ_I8: "#neqi8"
     }
     3 FLOAT: "Float" => {
         0 FLOAT_FLOAT: "Float" imported // the Float.Float type alias
diff --git a/compiler/mono/src/expr.rs b/compiler/mono/src/expr.rs
index b84d12bf59..62734a1f2c 100644
--- a/compiler/mono/src/expr.rs
+++ b/compiler/mono/src/expr.rs
@@ -552,6 +552,8 @@ fn from_can<'a>(
                                 ) {
                                     Ok(Layout::Builtin(builtin)) => match builtin {
                                         Builtin::Int64 => Symbol::INT_NEQ_I64,
+                                        Builtin::Bool => Symbol::INT_NEQ_I1,
+                                        Builtin::Byte => Symbol::INT_NEQ_I8,
                                         _ => {
                                             panic!("Not-Equality not implemented for {:?}", builtin)
                                         }