diff --git a/com.wudsn.ide.lng/src/com/wudsn/ide/lng/editor/LanguageEditorCompileCommand.java b/com.wudsn.ide.lng/src/com/wudsn/ide/lng/editor/LanguageEditorCompileCommand.java
index 5c7a6b5a..94c0fa2b 100644
--- a/com.wudsn.ide.lng/src/com/wudsn/ide/lng/editor/LanguageEditorCompileCommand.java
+++ b/com.wudsn.ide.lng/src/com/wudsn/ide/lng/editor/LanguageEditorCompileCommand.java
@@ -77,6 +77,7 @@ import com.wudsn.ide.lng.preferences.CompilerRunPreferences;
 import com.wudsn.ide.lng.runner.Runner;
 import com.wudsn.ide.lng.runner.RunnerDefinition;
 import com.wudsn.ide.lng.runner.RunnerId;
+import com.wudsn.ide.lng.runner.RunnerPaths.RunnerPath;
 import com.wudsn.ide.lng.symbol.CompilerSymbolsView;
 
 /**
@@ -605,11 +606,15 @@ final class LanguageEditorCompileCommand {
 				}
 			}
 		}
-		// Execution type: pre-defined or USER_DEFINED_APPLICATION
+		// Execution type: predefined or USER_DEFINED_APPLICATION
 		else {
 			boolean error = false;
 
 			String runnerExecutablePath = compilerRunPreferences.getRunnerExecutablePath(runnerId);
+			if (StringUtility.isEmpty(runnerExecutablePath)) {
+				runnerExecutablePath = plugin.getRunnerPaths().getDefaultRunnerAbsolutePath(hardware, runnerId);
+			}
+
 			if (runnerCommandLine.contains(RunnerDefinition.RUNNER_EXECUTABLE_PATH)) {
 				if (StringUtility.isEmpty(runnerExecutablePath)) {
 					// ERROR: Path to application executable is not
diff --git a/com.wudsn.ide.lng/src/com/wudsn/ide/lng/editor/LanguageEditorCompileCommandDelegate.java b/com.wudsn.ide.lng/src/com/wudsn/ide/lng/editor/LanguageEditorCompileCommandDelegate.java
index 7e8dbc02..dcad8b94 100644
--- a/com.wudsn.ide.lng/src/com/wudsn/ide/lng/editor/LanguageEditorCompileCommandDelegate.java
+++ b/com.wudsn.ide.lng/src/com/wudsn/ide/lng/editor/LanguageEditorCompileCommandDelegate.java
@@ -43,6 +43,7 @@ import com.wudsn.ide.lng.Texts;
 import com.wudsn.ide.lng.preferences.LanguageHardwareCompilerDefinitionPreferences;
 import com.wudsn.ide.lng.runner.RunnerDefinition;
 import com.wudsn.ide.lng.runner.RunnerId;
+import com.wudsn.ide.lng.runner.RunnerPaths.RunnerPath;
 import com.wudsn.ide.lng.runner.RunnerRegistry;
 
 /**
@@ -52,8 +53,7 @@ import com.wudsn.ide.lng.runner.RunnerRegistry;
  * @author Peter Dell
  * 
  */
-public final class LanguageEditorCompileCommandDelegate
-		implements IActionDelegate2, IWorkbenchWindowPulldownDelegate2 {
+public final class LanguageEditorCompileCommandDelegate implements IActionDelegate2, IWorkbenchWindowPulldownDelegate2 {
 
 	private IWorkbenchWindow window;
 	private Menu menu;
@@ -110,7 +110,8 @@ public final class LanguageEditorCompileCommandDelegate
 		RunnerRegistry runnerRegistry = languagePlugin.getRunnerRegistry();
 		Hardware hardware = languageEditor.getHardware();
 		List<RunnerDefinition> runnerDefinitions = runnerRegistry.getDefinitions(hardware);
-		LanguageHardwareCompilerDefinitionPreferences languageHardwareCompilerDefinitionPreferences = languageEditor.getLanguageHardwareCompilerPreferences();
+		LanguageHardwareCompilerDefinitionPreferences languageHardwareCompilerDefinitionPreferences = languageEditor
+				.getLanguageHardwareCompilerPreferences();
 
 		Menu menu = new Menu(parent);
 		setMenu(menu);
@@ -123,8 +124,15 @@ public final class LanguageEditorCompileCommandDelegate
 			String runnerName = runnerDefinition.getName();
 			// The system default application does not need an executable path.
 			if (!runnerId.equals(RunnerId.DEFAULT_APPLICATION)) {
-				if (StringUtility.isEmpty(languageHardwareCompilerDefinitionPreferences.getRunnerExecutablePath(runnerId))) {
-					continue;
+				// Explicit path configured?
+				if (StringUtility
+						.isEmpty(languageHardwareCompilerDefinitionPreferences.getRunnerExecutablePath(runnerId))) {
+					// Executable present in default path?
+					String executablePath = languagePlugin.getRunnerPaths().getDefaultRunnerAbsolutePath(hardware,
+							runnerId);
+					if (StringUtility.isEmpty(executablePath)) {
+						continue;
+					}
 				}
 			}
 
diff --git a/com.wudsn.ide.lng/src/com/wudsn/ide/lng/runner/RunnerPaths.java b/com.wudsn.ide.lng/src/com/wudsn/ide/lng/runner/RunnerPaths.java
index 21be14e6..f8e6890a 100644
--- a/com.wudsn.ide.lng/src/com/wudsn/ide/lng/runner/RunnerPaths.java
+++ b/com.wudsn.ide.lng/src/com/wudsn/ide/lng/runner/RunnerPaths.java
@@ -83,9 +83,9 @@ public final class RunnerPaths {
 	public RunnerPaths() {
 		runnerPaths = new TreeMap<String, RunnerPath>();
 		// See https://github.com/peterdell/wudsn-ide-tools
-		add(Hardware.ATARI8BIT, "altirra", Platform.OS_LINUX,Platform.ARCH_X86_64, "Altirra/Altirra.sh");
+		add(Hardware.ATARI8BIT, "altirra", Platform.OS_LINUX, Platform.ARCH_X86_64, "Altirra/Altirra.sh");
 		add(Hardware.ATARI8BIT, "altirra", Platform.OS_MACOSX, Platform.ARCH_X86_64, "Altirra/Altirra.sh");
-		add(Hardware.ATARI8BIT, "altirra", Platform.OS_WIN32,Platform.ARCH_X86, "Altirra/Altirra.exe");
+		add(Hardware.ATARI8BIT, "altirra", Platform.OS_WIN32, Platform.ARCH_X86, "Altirra/Altirra.exe");
 		add(Hardware.ATARI8BIT, "altirra", Platform.OS_WIN32, Platform.ARCH_X86_64, "Altirra/Altirra64.exe");
 
 	}
@@ -114,6 +114,17 @@ public final class RunnerPaths {
 		return runnerPath;
 	}
 
+	public String getDefaultRunnerAbsolutePath(Hardware hardware, String runnerId) {
+		RunnerPath runnerPath = getDefaultRunnerPath(hardware, runnerId);
+		if (runnerPath != null) {
+			File file = runnerPath.getAbsoluteFile();
+			if (file != null && file.canExecute()) {
+				return file.getAbsolutePath();
+			}
+		}
+		return "";
+	}
+
 	public List<RunnerPath> getRunnerPaths() {
 		return Collections.unmodifiableList(new ArrayList<RunnerPath>(runnerPaths.values()));
 	}