diff --git a/src/compiler/parser/mod.rs b/src/compiler/parser/mod.rs
index f272d80..9b41ef7 100644
--- a/src/compiler/parser/mod.rs
+++ b/src/compiler/parser/mod.rs
@@ -27,7 +27,14 @@ fn parse_expression<'source>(
     pos: &mut usize,
     tokens: &[Token<'source>],
 ) -> Expression<'source> {
-    const LEFT_ASSOC_BIN_OPS: [&[&str]; 2] = [&["+", "-"], &["*", "/"]];
+    const LEFT_ASSOC_BIN_OPS: [&[&str]; 6] = [
+        &["or"],
+        &["and"],
+        &["==", "!="],
+        &["<", "<=", "=>", ">"],
+        &["+", "-"],
+        &["*", "/", "%"],
+    ];
 
     if level == LEFT_ASSOC_BIN_OPS.len() {
         parse_term(pos, tokens)
diff --git a/src/compiler/parser/tests.rs b/src/compiler/parser/tests.rs
index b74f83d..e675a5f 100644
--- a/src/compiler/parser/tests.rs
+++ b/src/compiler/parser/tests.rs
@@ -64,6 +64,31 @@ fn test_binary_op_basic() {
     assert_eq!(result, BinaryOp(int_ast!(1), "/", int_ast!(2)));
 }
 
+#[test]
+fn test_binary_op_all_levels() {
+    let result = parse(&tokenize("1 * 2 + 3 < 4 == 5 and 6 or 7"));
+    assert_eq!(
+        result,
+        BinaryOp(
+            bin_ast!(
+                bin_ast!(
+                    bin_ast!(
+                        bin_ast!(bin_ast!(int_ast!(1), "*", int_ast!(2)), "+", int_ast!(3)),
+                        "<",
+                        int_ast!(4)
+                    ),
+                    "==",
+                    int_ast!(5)
+                ),
+                "and",
+                int_ast!(6)
+            ),
+            "or",
+            int_ast!(7)
+        )
+    );
+}
+
 #[test]
 fn test_binary_op_identifier() {
     let result = parse(&tokenize("a + 1"));