diff --git a/src/main.rs b/src/main.rs
index 4a39804..8c68be1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -14,13 +14,13 @@ fn test() -> String {
 #[serde(crate = "rocket::serde")]
 struct PostTest<'r> {
     test_type: &'r str,
-    test_length: i64,
-    test_time: i32,
+    test_length: u32,
+    test_time: u32,
     test_seed: i64,
     quote_id: i32,
-    wpm: i16,
-    accuracy: i8,
-    user_id: i32
+    wpm: u8,
+    accuracy: u8,
+    user_id: u32
 }
 
 #[post("/post_test", data = "<test>")]
diff --git a/src/sql.rs b/src/sql.rs
index 8a3533a..05b0968 100644
--- a/src/sql.rs
+++ b/src/sql.rs
@@ -26,7 +26,7 @@ pub fn create_database() -> Result<()> {
     Ok(())
 }
 
-pub fn post_test(test_type: &str, test_length: i64, test_time: i32, test_seed: i64, quote_id: i32, wpm: i16, accuracy: i8, user_id: i32) 
+pub fn post_test(test_type: &str, test_length: u32, test_time: u32, test_seed: i64, quote_id: i32, wpm: u8, accuracy: u8, user_id: u32) 
 -> Result<()> {
     let connection = get_connection();