diff --git a/flake.nix b/flake.nix
index ea2e7c7..522a229 100644
--- a/flake.nix
+++ b/flake.nix
@@ -32,12 +32,20 @@
           name = "isolated-nix${postfix}";
           paths = [nixDrv];
           nativeBuildInputs = [pkgs.makeWrapper];
-          postBuild = ''
-            wrapProgram $out/bin/nix${postfix} \
-              --set NIX_CONF_DIR /dev/null \
-              --set NIX_USER_CONF_FILES /dev/null \
-              --unset NIX_CONFIG
-          '';
+          postBuild =
+            ''
+              wrapProgram $out/bin/nix${postfix} \
+                --set NIX_CONF_DIR /dev/null \
+                --set NIX_USER_CONF_FILES /dev/null \
+            ''
+            +
+            # Serves as a test for handling early repl warnings
+            ''
+              --set NIX_CONFIG "
+                intentionally-non-existent-option_a = 1
+                intentionally-non-existent-option_b = 1
+              "
+            '';
           meta.mainProgram = "nix${postfix}";
         };
 
diff --git a/src/app/state.rs b/src/app/state.rs
index 30f6319..c15c686 100644
--- a/src/app/state.rs
+++ b/src/app/state.rs
@@ -137,9 +137,7 @@ impl State {
                     }
                     ReachedEnd => self.next_query(&id)?,
                     UnexpectedCharacter => {
-                        let mut line = cl_progress.progress().to_owned();
-                        line.push(ch);
-                        session_live.expecting = ReplSessionExpecting::UnexpectedLine { line };
+                        session_live.expecting = ReplSessionExpecting::UnexpectedLine;
                         vec![]
                     }
                 }
@@ -161,9 +159,7 @@ impl State {
                             };
                     }
                     UnexpectedCharacter => {
-                        let mut line = cl_progress.progress().to_owned();
-                        line.push(ch);
-                        session_live.expecting = ReplSessionExpecting::UnexpectedLine { line };
+                        session_live.expecting = ReplSessionExpecting::UnexpectedLine;
                     }
                 };
                 vec![]
@@ -201,11 +197,11 @@ impl State {
 
                 self.next_query(&id)?
             }
-            ReplSessionExpecting::UnexpectedLine { line } => {
-                line.push(ch);
-
+            ReplSessionExpecting::UnexpectedLine => {
                 if ch == '\n' {
-                    bail!("{id}: unexepcted line: {line}");
+                    session_live.expecting = ReplSessionExpecting::ClearlineBeforeInitialPrompt {
+                        cl_progress: ClearLineProgress::new(),
+                    };
                 }
 
                 vec![]
@@ -379,11 +375,6 @@ impl ClearLineProgress {
     fn new() -> Self {
         Self(CLEAR_LINE.chars().enumerate().peekable())
     }
-
-    fn progress(&mut self) -> &'static str {
-        let &(i, _) = self.0.peek().unwrap();
-        &CLEAR_LINE[..i]
-    }
 }
 
 #[derive(Debug, Clone)]
@@ -392,17 +383,3 @@ enum ClearLineProgressStatus {
     ReachedEnd,
     UnexpectedCharacter,
 }
-
-#[cfg(test)]
-mod test {
-    use pretty_assertions::assert_eq;
-
-    use super::ClearLineProgress;
-
-    #[test]
-    fn clear_line_progress() {
-        let mut cl_progress = ClearLineProgress::new();
-        let progress = cl_progress.progress();
-        assert_eq!(progress, "");
-    }
-}
diff --git a/src/app/state/repl_state.rs b/src/app/state/repl_state.rs
index 37208eb..e8077e3 100644
--- a/src/app/state/repl_state.rs
+++ b/src/app/state/repl_state.rs
@@ -57,9 +57,7 @@ pub(crate) enum ReplSessionExpecting {
         acc: String,
         expected_result: ExpectedResult,
     },
-    UnexpectedLine {
-        line: String,
-    },
+    UnexpectedLine,
 }
 
 impl ReplSessionLive {