diff --git a/gradle/installer-json.gradle b/gradle/installer-json.gradle
index 4702390ce..03cd26393 100644
--- a/gradle/installer-json.gradle
+++ b/gradle/installer-json.gradle
@@ -69,6 +69,11 @@ abstract class GenerateInstallerJsonTask extends DefaultTask {
 				def library = [name: artifact.moduleVersion.toString(), url: "https://maven.fabricmc.net/"]
 				library.putAll(resolveHashes(artifact.moduleVersion.toString()))
 
+				// LaunchWrapper should not specify a maven url, as its hosted on Mojang's maven.
+				if (library.name.startsWith("net.minecraft")) {
+					library.remove("url")
+				}
+
 				json.libraries[side].add(library)
 			}
 		}
diff --git a/src/main/resources/fabric-installer.launchwrapper.json b/src/main/resources/fabric-installer.launchwrapper.json
index 07c0cf942..6d6c68b77 100644
--- a/src/main/resources/fabric-installer.launchwrapper.json
+++ b/src/main/resources/fabric-installer.launchwrapper.json
@@ -62,7 +62,6 @@
             },
             {
                 "name": "net.minecraft:launchwrapper:1.12",
-                "url": "https://maven.fabricmc.net/",
                 "md5": "111e7bea9c968cdb3d06ef4632bf7ff0824d0f36",
                 "size": 32999
             }