diff --git a/crates/repl_test/src/tests.rs b/crates/repl_test/src/tests.rs
index e68d4f13df..920ed8e98e 100644
--- a/crates/repl_test/src/tests.rs
+++ b/crates/repl_test/src/tests.rs
@@ -1419,7 +1419,7 @@ fn interpolation_with_nested_strings() {
     expect_success(
         indoc!(
             r#"
-            "foo \(Str.joinWith ["a", "b", "c"] ", ") bar"
+            "foo $(Str.joinWith ["a", "b", "c"] ", ") bar"
             "#
         ),
         r#""foo a, b, c bar" : Str"#,
@@ -1431,7 +1431,7 @@ fn interpolation_with_num_to_str() {
     expect_success(
         indoc!(
             r#"
-            "foo \(Num.toStr Num.maxI8) bar"
+            "foo $(Num.toStr Num.maxI8) bar"
             "#
         ),
         r#""foo 127 bar" : Str"#,
@@ -1443,7 +1443,7 @@ fn interpolation_with_operator_desugaring() {
     expect_success(
         indoc!(
             r#"
-            "foo \(Num.toStr (1 + 2)) bar"
+            "foo $(Num.toStr (1 + 2)) bar"
             "#
         ),
         r#""foo 3 bar" : Str"#,
@@ -1458,7 +1458,7 @@ fn interpolation_with_nested_interpolation() {
     expect_failure(
         indoc!(
             r#"
-            "foo \(Str.joinWith ["a\(Num.toStr 5)", "b"] "c")"
+            "foo $(Str.joinWith ["a\(Num.toStr 5)", "b"] "c")"
             "#
         ),
         indoc!(
@@ -1467,7 +1467,7 @@ fn interpolation_with_nested_interpolation() {
 
                 This string interpolation is invalid:
 
-                4│      "foo \(Str.joinWith ["a\(Num.toStr 5)", "b"] "c")"
+                4│      "foo $(Str.joinWith ["a\(Num.toStr 5)", "b"] "c")"
                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
                 String interpolations cannot contain newlines or other interpolations.