diff --git a/build.gradle.kts b/build.gradle.kts
index 0f90ba1..a202e0f 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -27,27 +27,29 @@ architectury {
 }
 
 subprojects {
-    lateinit var MappingsDep: Dependency
+    group = rootProject.group.toString()
+    lateinit var mappingsDep: Dependency
     apply(plugin = "org.jetbrains.kotlin.jvm")
     apply(plugin = "forgified-fabric-loom")
     apply(plugin = "com.github.johnrengelman.shadow")
     val shadowC by configurations.creating
     tasks {
         withType(ShadowJar::class) { this.configurations = listOf(shadowC) }
-        val shrinkJar = register("shrinkJar", proguard.gradle.ProGuardTask::class) {
+        val shrinkJar = register("shrinkJar", proguard.gradle.ProGuardTask::class) { group = this@subprojects.group as String
             val dictionariesDir = "$rootDir/obfuscation"
             injars(this@tasks.getByName("remapJar"))
             outjars("$rootDir/shrinkedJars/")
-            keep("class fr.username404.snowygui.mixins.* { * ; }")
-            keep("class fr.username404.snowygui.fabric.** { * ; }")
-            keep("class fr.username404.snowygui.forge.** { * ; }")
-            keepclassmembers("class fr.username404.snowygui.** { public protected <methods>; }")
+            keep("class $group.snowygui.mixins.* { * ; }")
+            keep("class $group.snowygui.fabric.** { * ; }")
+            keep("class $group.snowygui.forge.** { * ; }")
+            keepclassmembers("class $group.snowygui.** { public protected <methods>; }")
             keepattributes("*Annotation*, Signature, InnerClasses, EnclosingMethod, MethodParameters, Synthetic, Exceptions")
             obfuscationdictionary("$dictionariesDir/dictionary.txt")
             classobfuscationdictionary("$dictionariesDir/classdictionary.txt")
             packageobfuscationdictionary("$dictionariesDir/packagesdictionary.txt")
+            flattenpackagehierarchy("$group.snowygui")
             adaptclassstrings()
-            "fr.username404.**".also { dontwarn(it); dontnote(it) }
+            "$group.**".also { dontwarn(it); dontnote(it) }
 
             // The following lines are needed at least for the current version of proguard
             dontwarn("java.**")
@@ -65,7 +67,7 @@ subprojects {
         if (this@subprojects.name != "common") build.get().finalizedBy(shrinkJar)
     }
     extensions.configure<net.fabricmc.loom.LoomGradleExtension>("loom") {
-        MappingsDep = officialMojangMappings()
+        mappingsDep = officialMojangMappings()
         silentMojangMappingsLicense()
         mixinConfig("snowygui-mixins.json")
         refmapName = "snowygui-common-refmap.json"
@@ -77,7 +79,7 @@ subprojects {
         }
         "io.github.config4k:config4k:0.4.2".also { implementation(it); shadowC(it) }
         "minecraft"("com.mojang:minecraft:${rootProject.property("minecraft")}")
-        "mappings"(MappingsDep)
+        "mappings"(mappingsDep)
     }
 }
 
@@ -138,7 +140,8 @@ allprojects {
             }
             val modProperties = mapOf(
                 "mod_version" to (rootProject.version as String),
-                "minecraft_version" to mcBase
+                "minecraft_version" to mcBase,
+                "mod_group" to this@allprojects.group
             )
             inputs.properties(modProperties)
             filesNotMatching(listOf("*.png")) {
diff --git a/fabric/src/main/resources/fabric.mod.json b/fabric/src/main/resources/fabric.mod.json
index f0427fc..2ec7dd0 100644
--- a/fabric/src/main/resources/fabric.mod.json
+++ b/fabric/src/main/resources/fabric.mod.json
@@ -18,10 +18,10 @@
   "environment": "client",
   "entrypoints": {
     "client": [
-      "fr.username404.snowygui.fabric.FabricInit"
+      "${mod_group}.snowygui.fabric.FabricInit"
     ],
     "modmenu": [
-      "fr.username404.snowygui.fabric.ModMenuConf"
+      "${mod_group}.snowygui.fabric.ModMenuConf"
     ]
   },
   "mixins": [