diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/platform/JavaVersion.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/platform/JavaVersion.java
index 6c165f2ab..04db83752 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/platform/JavaVersion.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/platform/JavaVersion.java
@@ -54,8 +54,14 @@ public final class JavaVersion {
         this.binary = binary;
         this.longVersion = longVersion;
         this.platform = platform;
-        version = parseVersion(longVersion);
-        versionNumber = VersionNumber.asVersion(longVersion);
+
+        if (longVersion != null) {
+            version = parseVersion(longVersion);
+            versionNumber = VersionNumber.asVersion(longVersion);
+        } else {
+            version = UNKNOWN;
+            versionNumber = null;
+        }
     }
 
     public Path getBinary() {