diff --git a/src/main/java/net/fabricmc/loom/build/IntermediaryNamespaces.java b/src/main/java/net/fabricmc/loom/build/IntermediaryNamespaces.java
index bd2a92fa..0861fcf2 100644
--- a/src/main/java/net/fabricmc/loom/build/IntermediaryNamespaces.java
+++ b/src/main/java/net/fabricmc/loom/build/IntermediaryNamespaces.java
@@ -34,11 +34,18 @@ public final class IntermediaryNamespaces {
 	 * Returns the intermediary namespace of the project.
 	 */
 	public static String intermediary(Project project) {
+		return intermediaryNamespace(project).toString();
+	}
+
+	/**
+	 * Returns the intermediary namespace of the project.
+	 */
+	public static MappingsNamespace intermediaryNamespace(Project project) {
 		LoomGradleExtension extension = LoomGradleExtension.get(project);
 		return switch (extension.getPlatform().get()) {
-		case FABRIC, QUILT -> MappingsNamespace.INTERMEDIARY.toString();
-		case FORGE -> MappingsNamespace.SRG.toString();
-		case NEOFORGE -> MappingsNamespace.MOJANG.toString();
+			case FABRIC, QUILT -> MappingsNamespace.INTERMEDIARY;
+			case FORGE -> MappingsNamespace.SRG;
+			case NEOFORGE -> MappingsNamespace.MOJANG;
 		};
 	}
 
diff --git a/src/main/java/net/fabricmc/loom/configuration/mods/ModProcessor.java b/src/main/java/net/fabricmc/loom/configuration/mods/ModProcessor.java
index 5ea705e9..e0ebf1f3 100644
--- a/src/main/java/net/fabricmc/loom/configuration/mods/ModProcessor.java
+++ b/src/main/java/net/fabricmc/loom/configuration/mods/ModProcessor.java
@@ -200,7 +200,7 @@ public class ModProcessor {
 
 		final TinyRemapper remapper = builder.build();
 
-		for (Path minecraftJar : extension.getMinecraftJars(extension.isForgeLike() ? MappingsNamespace.SRG : MappingsNamespace.INTERMEDIARY)) {
+		for (Path minecraftJar : extension.getMinecraftJars(IntermediaryNamespaces.intermediaryNamespace(project))) {
 			remapper.readClassPathAsync(minecraftJar);
 		}
 
diff --git a/src/main/java/net/fabricmc/loom/configuration/sources/ForgeSourcesRemapper.java b/src/main/java/net/fabricmc/loom/configuration/sources/ForgeSourcesRemapper.java
index 853320ae..2715a635 100644
--- a/src/main/java/net/fabricmc/loom/configuration/sources/ForgeSourcesRemapper.java
+++ b/src/main/java/net/fabricmc/loom/configuration/sources/ForgeSourcesRemapper.java
@@ -221,8 +221,9 @@ public class ForgeSourcesRemapper {
 			mercury.getClassPath().add(file.toPath());
 		}
 
-		// Distinct and add the srg jar at the top, so it gets prioritized
-		mercury.getClassPath().addAll(0, extension.getMinecraftJars(MappingsNamespace.SRG));
+		// Distinct and add the srg/mojang jar at the top, so it gets prioritized
+		MappingsNamespace sourceNs = extension.isNeoForge() ? MappingsNamespace.MOJANG : MappingsNamespace.SRG;
+		mercury.getClassPath().addAll(0, extension.getMinecraftJars(sourceNs));
 
 		List<Path> newClassPath = mercury.getClassPath().stream()
 				.distinct()
diff --git a/src/main/java/net/fabricmc/loom/task/MigrateMappingsTask.java b/src/main/java/net/fabricmc/loom/task/MigrateMappingsTask.java
index a94b1a04..488b6d73 100644
--- a/src/main/java/net/fabricmc/loom/task/MigrateMappingsTask.java
+++ b/src/main/java/net/fabricmc/loom/task/MigrateMappingsTask.java
@@ -192,10 +192,14 @@ public abstract class MigrateMappingsTask extends AbstractLoomTask {
 			mercury.getClassPath().add(intermediaryJar);
 		}
 
-		if (extension.isForgeLike()) {
+		if (extension.isForge()) {
 			for (Path srgJar : extension.getMinecraftJars(MappingsNamespace.SRG)) {
 				mercury.getClassPath().add(srgJar);
 			}
+		} else if (extension.isNeoForge()) {
+			for (Path mojangJar : extension.getMinecraftJars(MappingsNamespace.MOJANG)) {
+				mercury.getClassPath().add(mojangJar);
+			}
 		}
 
 		mercury.getProcessors().add(MercuryRemapper.create(mappingSet));
diff --git a/src/main/java/net/fabricmc/loom/util/SourceRemapper.java b/src/main/java/net/fabricmc/loom/util/SourceRemapper.java
index 001516da..53ad034e 100644
--- a/src/main/java/net/fabricmc/loom/util/SourceRemapper.java
+++ b/src/main/java/net/fabricmc/loom/util/SourceRemapper.java
@@ -199,10 +199,14 @@ public class SourceRemapper {
 			mercury.getClassPath().add(intermediaryJar);
 		}
 
-		if (extension.isForgeLike()) {
+		if (extension.isForge()) {
 			for (Path srgJar : extension.getMinecraftJars(MappingsNamespace.SRG)) {
 				mercury.getClassPath().add(srgJar);
 			}
+		} else if (extension.isNeoForge()) {
+			for (Path mojangJar : extension.getMinecraftJars(MappingsNamespace.MOJANG)) {
+				mercury.getClassPath().add(mojangJar);
+			}
 		}
 
 		Set<File> files = project.getConfigurations()