diff --git a/src/minecraft/kotlin/xyz/wagyourtail/unimined/internal/minecraft/MinecraftProvider.kt b/src/minecraft/kotlin/xyz/wagyourtail/unimined/internal/minecraft/MinecraftProvider.kt
index a844d34b..d129b6ca 100644
--- a/src/minecraft/kotlin/xyz/wagyourtail/unimined/internal/minecraft/MinecraftProvider.kt
+++ b/src/minecraft/kotlin/xyz/wagyourtail/unimined/internal/minecraft/MinecraftProvider.kt
@@ -819,7 +819,7 @@ open class MinecraftProvider(project: Project, sourceSet: SourceSet) : Minecraft
             workingDir = defaultWorkingDir
             classpath = sourceSet.runtimeClasspath
             mainClass.set(minecraftData.metadata.mainClass)
-            jvmArgs = minecraftData.metadata.getJVMArgs() + betacraftArgs
+            jvmArgs(minecraftData.metadata.getJVMArgs() + betacraftArgs)
             args = minecraftData.metadata.getGameArgs()
 
             (mcPatcher as AbstractMinecraftTransformer).applyClientRunTransform(this)
diff --git a/src/minecraft/kotlin/xyz/wagyourtail/unimined/internal/minecraft/patch/forge/fg3/FG3MinecraftTransformer.kt b/src/minecraft/kotlin/xyz/wagyourtail/unimined/internal/minecraft/patch/forge/fg3/FG3MinecraftTransformer.kt
index e3e5fa00..c4287adf 100644
--- a/src/minecraft/kotlin/xyz/wagyourtail/unimined/internal/minecraft/patch/forge/fg3/FG3MinecraftTransformer.kt
+++ b/src/minecraft/kotlin/xyz/wagyourtail/unimined/internal/minecraft/patch/forge/fg3/FG3MinecraftTransformer.kt
@@ -484,7 +484,7 @@ open class FG3MinecraftTransformer(project: Project, val parent: ForgeLikeMinecr
                 addProperties(config)
                 config.mainClass.set(mainClass)
                 config.args = args.map { getArgValue(it) }
-                config.jvmArgs = jvmArgs.map { getArgValue(it) }
+                config.jvmArgs(jvmArgs.map { getArgValue(it) })
                 config.jvmArgs(props.map { "-D${it.key}=${getArgValue(it.value)}" })
                 config.environment["FORGE_SPEC"] = userdevCfg.get("spec").asNumber.toString()
                 config.environment.putAll(env.map { it.key to getArgValue(it.value) })
@@ -529,7 +529,7 @@ open class FG3MinecraftTransformer(project: Project, val parent: ForgeLikeMinecr
                 addProperties(config)
                 config.mainClass.set(mainClass)
                 config.args = args.map { getArgValue(it) }
-                config.jvmArgs = jvmArgs.map { getArgValue(it) }
+                config.jvmArgs(jvmArgs.map { getArgValue(it) })
                 config.jvmArgs(props.map { "-D${it.key}=${getArgValue(it.value)}" })
                 config.environment["FORGE_SPEC"] = userdevCfg.get("spec").asNumber.toString()
                 config.environment.putAll(env.map { it.key to getArgValue(it.value) })
diff --git a/src/minecraft/kotlin/xyz/wagyourtail/unimined/internal/minecraft/patch/jarmod/JarModAgentMinecraftTransformer.kt b/src/minecraft/kotlin/xyz/wagyourtail/unimined/internal/minecraft/patch/jarmod/JarModAgentMinecraftTransformer.kt
index 693812ae..68f1d6eb 100644
--- a/src/minecraft/kotlin/xyz/wagyourtail/unimined/internal/minecraft/patch/jarmod/JarModAgentMinecraftTransformer.kt
+++ b/src/minecraft/kotlin/xyz/wagyourtail/unimined/internal/minecraft/patch/jarmod/JarModAgentMinecraftTransformer.kt
@@ -121,9 +121,10 @@ open class JarModAgentMinecraftTransformer(
                 val classpath = (task as RemapJarTaskImpl).provider.sourceSet.runtimeClasspath.files.toMutableSet()
 
                 val result = SubprocessExecutor.exec(project) {
-                    it.jvmArgs = listOf(
+                    it.jvmArgs(listOf(
                         "-D${JMA_TRANSFORMERS}=${transforms.joinToString(File.pathSeparator)}",
-                        "-D${JMA_DEBUG}=true")
+                        "-D${JMA_DEBUG}=true"
+                    ))
                     it.args = listOf(
                         input.absolutePathString(),
                         classpath.joinToString(File.pathSeparator) { it.absolutePath },