1 files changed, 10 insertions, 2 deletions
diff --git a/src/main/java/net/fabricmc/loom/configuration/FabricApiExtension.java b/src/main/java/net/fabricmc/loom/configuration/FabricApiExtension.java
index 59925bcb..15f5d2a0 100644
--- a/src/main/java/net/fabricmc/loom/configuration/FabricApiExtension.java
+++ b/src/main/java/net/fabricmc/loom/configuration/FabricApiExtension.java
@@ -103,9 +103,17 @@ public class FabricApiExtension {
 	}
 
 	private File getApiMavenPom(String fabricApiVersion) {
-		LoomGradleExtension extension = project.getExtensions().getByType(LoomGradleExtension.class);
+		LoomGradleExtension extension = LoomGradleExtension.get(project);
 
-		File mavenPom = new File(extension.getUserCache(), "fabric-api/" + fabricApiVersion + ".pom");
+		File mavenPom = new File(extension.getFiles().getUserCache(), "fabric-api/" + fabricApiVersion + ".pom");
+
+		if (project.getGradle().getStartParameter().isOffline()) {
+			if (!mavenPom.exists()) {
+				throw new RuntimeException("Cannot retrieve fabric-api pom due to being offline");
+			}
+
+			return mavenPom;
+		}
 
 		try {
 			URL url = new URL(String.format("https://maven.fabricmc.net/net/fabricmc/fabric-api/fabric-api/%1$s/fabric-api-%1$s.pom", fabricApiVersion));