diff --git a/org/lateralgm/main/LGM.java b/org/lateralgm/main/LGM.java
index 037e599e..6313b310 100644
--- a/org/lateralgm/main/LGM.java
+++ b/org/lateralgm/main/LGM.java
@@ -131,7 +131,7 @@
 
 public final class LGM
 	{
-	public static final String version = "1.8.225"; //$NON-NLS-1$
+	public static final String version = "1.8.226"; //$NON-NLS-1$
 
 	// TODO: This list holds the class loader for any loaded plugins which should be
 	// cleaned up and closed when the application closes.
@@ -1217,6 +1217,9 @@ public static void main(final String[] args)
 		if (javaVersion < 10700)
 			System.out.println("Some program functionality will be limited due to your outdated Java version"); //$NON-NLS-1$
 
+		// Fix up raw filepaths from 1.5.7.1 into file URI format.
+		PrefsStore.patchRecentFiles();
+
 		// Create the main window on the EDT for safety.
 		// https://docs.oracle.com/javase/tutorial/uiswing/concurrency/initial.html
 		SwingUtilities.invokeLater(new Runnable()
diff --git a/org/lateralgm/main/PrefsStore.java b/org/lateralgm/main/PrefsStore.java
index 5e85499c..17ae8d67 100644
--- a/org/lateralgm/main/PrefsStore.java
+++ b/org/lateralgm/main/PrefsStore.java
@@ -10,6 +10,7 @@
 package org.lateralgm.main;
 
 import java.awt.Rectangle;
+import java.io.File;
 import java.util.ArrayList;
 import java.util.Locale;
 import java.util.prefs.BackingStoreException;
@@ -52,7 +53,6 @@ public static ArrayList<String> getRecentFiles()
 		for (String name : array)
 			list.add(Util.urlDecode(name));
 		return list;
-
 		}
 
 	public static void addRecentFile(String name)
@@ -67,6 +67,28 @@ public static void addRecentFile(String name)
 		PREFS.put("FILE_RECENT",newList);
 		}
 
+	/**
+	 * Updates raw filepaths from 1.5.7.1 to proper URI format.
+	 */
+	public static void patchRecentFiles()
+		{
+		String value = PREFS.get("FILE_RECENT",null);
+		if (value == null) return;
+		String[] array = value.split(" ");
+		if (array.length < 1) return;
+		StringBuilder sb = new StringBuilder();
+		for (int i = 0; i < array.length; ++i)
+			{
+			if (i > 0) sb.append(" ");
+			String str = array[i];
+			if (!str.startsWith("file%3A%2F"))
+				sb.append(Util.urlEncode(new File(Util.urlDecode(str)).toURI().toString()));
+			else
+				sb.append(str);
+			}
+		PREFS.put("FILE_RECENT",sb.toString());
+		}
+
 	public static Rectangle getWindowBounds(Rectangle def)
 		{
 		return Util.stringToRectangle(PREFS.get("WINDOW_BOUNDS",null),def);