diff --git a/src/main/wacc/Main.scala b/src/main/wacc/Main.scala
index 020cbcd..fc9fb45 100644
--- a/src/main/wacc/Main.scala
+++ b/src/main/wacc/Main.scala
@@ -82,9 +82,11 @@ def compile(filename: String, outFile: Option[File] = None)(using
 def main(args: Array[String]): Unit =
   OParser.parse(cliParser, args, CliConfig()) match {
     case Some(config) =>
-      compile(
-        config.file.getAbsolutePath,
-        outFile = Some(File(".", config.file.getName.stripSuffix(".wacc") + ".s"))
+      System.exit(
+        compile(
+          config.file.getAbsolutePath,
+          outFile = Some(File(".", config.file.getName.stripSuffix(".wacc") + ".s"))
+        )
       )
     case None =>
   }
diff --git a/src/main/wacc/frontend/typeChecker.scala b/src/main/wacc/frontend/typeChecker.scala
index 002876d..a628b69 100644
--- a/src/main/wacc/frontend/typeChecker.scala
+++ b/src/main/wacc/frontend/typeChecker.scala
@@ -180,8 +180,8 @@ object typeChecker {
             microWacc.Builtin.Read,
             List(
               destTy match {
-                case KnownType.Int      => "%d".toMicroWaccCharArray
-                case KnownType.Char | _ => "%c".toMicroWaccCharArray
+                case KnownType.Int      => " %d".toMicroWaccCharArray
+                case KnownType.Char | _ => " %c".toMicroWaccCharArray
               },
               destTyped
             )
diff --git a/src/test/wacc/examples.scala b/src/test/wacc/examples.scala
index 7c895ab..449e5ac 100644
--- a/src/test/wacc/examples.scala
+++ b/src/test/wacc/examples.scala
@@ -41,23 +41,7 @@ class ParallelExamplesSpec extends AnyFlatSpec with BeforeAndAfterAll {
       val inputLine =
         contents
           .find(_.matches("^# ?[Ii]nput:.*$"))
-          .map(line =>
-            ("" :: line.split(":").last.strip.split(" ").toList)
-              .sliding(2)
-              .flatMap { arr =>
-                if (
-                    // First entry has no space in front
-                    arr(0) == "" ||
-                      // int followed by non-digit, space can be removed
-                      arr(0).toIntOption.nonEmpty && !arr(1)(0).isDigit ||
-                      // non-int followed by int, space can be removed
-                      !arr(0).last.isDigit && arr(1).toIntOption.nonEmpty
-                  )
-                then List(arr(1))
-                else List(" ", arr(1))
-              }
-              .mkString
-          )
+          .map(_.split(":").last.strip + "\n")
           .getOrElse("")
       val outputLineIdx = contents.indexWhere(_.matches("^# ?[Oo]utput:.*$"))
       val expectedOutput =
@@ -92,7 +76,13 @@ class ParallelExamplesSpec extends AnyFlatSpec with BeforeAndAfterAll {
       )
 
       assert(process.exitValue == expectedExit)
-      assert(stdout.toString.replaceAll("0x[0-9a-f]+", "#addrs#") == expectedOutput)
+      assert(
+        stdout.toString
+          .replaceAll("0x[0-9a-f]+", "#addrs#")
+          .replaceAll("fatal error:.*", "#runtime_error#\n\u0000")
+          .takeWhile(_ != '\u0000')
+          == expectedOutput
+      )
     }
   }