diff --git a/src/main/java/jace/assembly/AcmeCompiler.java b/src/main/java/jace/assembly/AcmeCompiler.java
index e5f1b72..a25ef1d 100644
--- a/src/main/java/jace/assembly/AcmeCompiler.java
+++ b/src/main/java/jace/assembly/AcmeCompiler.java
@@ -89,6 +89,15 @@ public class AcmeCompiler implements CompileResult<File> {
     ByteArrayOutputStream baosErr;
     PrintStream err;
 
+    private String normalizeWindowsPath(String path) {
+        if (path.contains("\\")) {
+            char firstLetter = path.toLowerCase().charAt(0);
+            return "/"+firstLetter+path.substring(1).replaceAll("\\\\", "/");
+        } else {
+            return path;
+        }
+    }
+    
     private void invokeAcme(File sourceFile, File workingDirectory) throws ClassNotFoundException, SecurityException, NoSuchMethodException, IOException {
         String oldPath = System.getProperty("user.dir");
         redirectSystemOutput();
@@ -96,7 +105,7 @@ public class AcmeCompiler implements CompileResult<File> {
             compiledAsset = File.createTempFile(sourceFile.getName(), "bin", sourceFile.getParentFile());
             System.setProperty("user.dir", workingDirectory.getAbsolutePath());
             AcmeCrossAssembler acme = new AcmeCrossAssembler();
-            String[] params = {"--outfile", compiledAsset.getAbsolutePath(), "-f", "cbm", "--maxerrors","16",sourceFile.getAbsolutePath()};
+            String[] params = {"--outfile", normalizeWindowsPath(compiledAsset.getAbsolutePath()), "-f", "cbm", "--maxerrors","16",normalizeWindowsPath(sourceFile.getAbsolutePath())};
             int status = acme.run("Acme", params);
             successful = status == 0;
             if (!successful) {
diff --git a/src/main/java/jace/assembly/AcmeCrossAssembler.java b/src/main/java/jace/assembly/AcmeCrossAssembler.java
index 729f785..1264223 100644
--- a/src/main/java/jace/assembly/AcmeCrossAssembler.java
+++ b/src/main/java/jace/assembly/AcmeCrossAssembler.java
@@ -1,7 +1,9 @@
 package jace.assembly;
+
+import  org.ibex.nestedvm.UnixRuntime;
 /* This file was generated from acme by Mips2Java on Tue Jul 14 00:46:52 CDT 2015 */
 
-public final class AcmeCrossAssembler extends org.ibex.nestedvm.UnixRuntime {
+public final class AcmeCrossAssembler extends UnixRuntime {
     /* program counter */
     private int pc = 0;
 
diff --git a/src/main/java/jace/ide/Program.java b/src/main/java/jace/ide/Program.java
index 63e372c..26e393e 100644
--- a/src/main/java/jace/ide/Program.java
+++ b/src/main/java/jace/ide/Program.java
@@ -221,6 +221,7 @@ public class Program {
         if (lastResult.isSuccessful()) {
             getHandler().execute(lastResult);
         } else {
+            lastResult.getOtherMessages().forEach(System.err::println);
             getHandler().clean(lastResult);
         }
     }