diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml
deleted file mode 100644
index 797acea5..00000000
--- a/.idea/runConfigurations.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RunConfigurationProducerService">
-    <option name="ignoredProducers">
-      <set>
-        <option value="com.android.tools.idea.compose.preview.runconfiguration.ComposePreviewRunConfigurationProducer" />
-      </set>
-    </option>
-  </component>
-</project>
\ No newline at end of file
diff --git a/src/validate/pack.rs b/src/validate/pack.rs
index ee421d4a..34040847 100644
--- a/src/validate/pack.rs
+++ b/src/validate/pack.rs
@@ -106,7 +106,7 @@ pub struct PackValidator;
 
 impl super::Validator for PackValidator {
     fn get_file_extensions(&self) -> &[&str] {
-        &["zip"]
+        &["mrpack"]
     }
 
     fn get_project_types(&self) -> &[&str] {
@@ -126,7 +126,7 @@ impl super::Validator for PackValidator {
         archive: &mut ZipArchive<Cursor<bytes::Bytes>>,
     ) -> Result<ValidationResult, ValidationError> {
         let mut file = archive
-            .by_name("index.json")
+            .by_name("modrinth.index.json")
             .map_err(|_| ValidationError::InvalidInputError("Pack manifest is missing.".into()))?;
 
         let mut contents = String::new();