diff --git a/src/main/java/net/fabricmc/loom/configuration/providers/forge/MinecraftPatchedProvider.java b/src/main/java/net/fabricmc/loom/configuration/providers/forge/MinecraftPatchedProvider.java
index 8f59433c6..4c7b3463c 100644
--- a/src/main/java/net/fabricmc/loom/configuration/providers/forge/MinecraftPatchedProvider.java
+++ b/src/main/java/net/fabricmc/loom/configuration/providers/forge/MinecraftPatchedProvider.java
@@ -215,7 +215,6 @@ public void remapJar() throws Exception {
 			fillClientExtraJar();
 		}
 
-		this.dirty = false;
 		DependencyProvider.addDependency(project, minecraftClientExtra, Constants.Configurations.FORGE_EXTRA);
 	}
 
@@ -595,6 +594,13 @@ public Path getMinecraftPatchedJar() {
 		return minecraftPatchedJar;
 	}
 
+	/**
+	 * Checks whether the provider's state is dirty (regenerating jars).
+	 */
+	public boolean isDirty() {
+		return dirty;
+	}
+
 	public enum Type {
 		CLIENT_ONLY("client", "client", (patch, userdev) -> patch.clientPatches),
 		SERVER_ONLY("server", "server", (patch, userdev) -> patch.serverPatches),
diff --git a/src/main/java/net/fabricmc/loom/configuration/providers/minecraft/mapped/AbstractMappedMinecraftProvider.java b/src/main/java/net/fabricmc/loom/configuration/providers/minecraft/mapped/AbstractMappedMinecraftProvider.java
index 74a4aef1a..ef5a53d90 100644
--- a/src/main/java/net/fabricmc/loom/configuration/providers/minecraft/mapped/AbstractMappedMinecraftProvider.java
+++ b/src/main/java/net/fabricmc/loom/configuration/providers/minecraft/mapped/AbstractMappedMinecraftProvider.java
@@ -46,6 +46,7 @@
 import net.fabricmc.loom.build.IntermediaryNamespaces;
 import net.fabricmc.loom.configuration.ConfigContext;
 import net.fabricmc.loom.configuration.mods.dependency.LocalMavenHelper;
+import net.fabricmc.loom.configuration.providers.forge.minecraft.ForgeMinecraftProvider;
 import net.fabricmc.loom.configuration.providers.mappings.IntermediaryMappingsProvider;
 import net.fabricmc.loom.configuration.providers.mappings.MappingConfiguration;
 import net.fabricmc.loom.configuration.providers.mappings.TinyMappingsService;
@@ -178,6 +179,11 @@ private boolean areOutputsValid(List<RemappedJars> remappedJars) {
 			}
 		}
 
+		// Architectury: regenerate jars if patches have changed.
+		if (minecraftProvider instanceof ForgeMinecraftProvider withForge && withForge.getPatchedProvider().isDirty()) {
+			return false;
+		}
+
 		return true;
 	}