diff --git a/patches/server/0280-Spark-Profiler.patch b/patches/server/0280-Spark-Profiler.patch
index ba9c25a74..2421b31f0 100644
--- a/patches/server/0280-Spark-Profiler.patch
+++ b/patches/server/0280-Spark-Profiler.patch
@@ -5,7 +5,7 @@ Subject: [PATCH] Spark Profiler
 
 
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-index 7960433f8278e3bd0ec43db3d3820ff2740a7c13..c6303baeefcbe85cde815fef02d1fcd78685ab7f 100644
+index 7960433f8278e3bd0ec43db3d3820ff2740a7c13..3048fe320912d805394c472661ab20c00994116b 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 @@ -410,6 +410,7 @@ public final class CraftServer implements Server {
@@ -24,7 +24,7 @@ index 7960433f8278e3bd0ec43db3d3820ff2740a7c13..c6303baeefcbe85cde815fef02d1fcd7
                  } catch (Throwable ex) {
                      Logger.getLogger(CraftServer.class.getName()).log(Level.SEVERE, ex.getMessage() + " initializing " + plugin.getDescription().getFullName() + " (Is it up to date?)", ex);
                  }
-@@ -430,6 +432,31 @@ public final class CraftServer implements Server {
+@@ -430,6 +432,43 @@ public final class CraftServer implements Server {
          } else {
              pluginFolder.mkdir();
          }
@@ -33,16 +33,28 @@ index 7960433f8278e3bd0ec43db3d3820ff2740a7c13..c6303baeefcbe85cde815fef02d1fcd7
 +        if (!sparkLoaded) {
 +            try {
 +                File file = new File("cache", "spark.jar");
-+                try (java.io.BufferedInputStream in = new java.io.BufferedInputStream(new java.net.URL("https://sparkapi.lucko.me/download/bukkit").openStream()); java.io.FileOutputStream out = new java.io.FileOutputStream(file)) {
-+                    byte[] dataBuffer = new byte[1024];
-+                    int bytesRead;
-+                    while ((bytesRead = in.read(dataBuffer, 0, 1024)) != -1) {
-+                        out.write(dataBuffer, 0, bytesRead);
++                file.getParentFile().mkdirs();
++
++                boolean shouldDownload = true;
++                if (file.exists()) {
++                    String fileSha1 = String.format("%040x", new java.math.BigInteger(1, java.security.MessageDigest.getInstance("SHA-1").digest(java.nio.file.Files.readAllBytes(file.toPath()))));
++                    String sparkSha1;
++                    try (java.io.BufferedReader reader = new java.io.BufferedReader(new InputStreamReader(new java.net.URL("https://sparkapi.lucko.me/download/bukkit/sha1").openStream()))) {
++                        sparkSha1 = reader.lines().collect(Collectors.joining(""));
++                    }
++
++                    System.out.println("File SHA1: " + fileSha1);
++                    System.out.println("Spark SHA1: " + sparkSha1);
++
++                    if (fileSha1.equals(sparkSha1)) {
++                        shouldDownload = false;
 +                    }
-+                    out.flush();
-+                } catch (IOException e) {
-+                    e.printStackTrace();
 +                }
++
++                if (shouldDownload) {
++                    java.nio.file.Files.copy(new java.net.URL("https://sparkapi.lucko.me/download/bukkit").openStream(), file.toPath(), java.nio.file.StandardCopyOption.REPLACE_EXISTING);
++                }
++
 +                Plugin spark = this.pluginManager.loadPlugin(file);
 +                String message = String.format("Loading %s", spark.getDescription().getFullName());
 +                spark.getLogger().info(message);