diff --git a/src/main.rs b/src/main.rs
index 27031bf..36966d3 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -79,7 +79,15 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
                                 sth = &sth[segment];
                             }
                         }
-                        let res_value = sth.as_f64().unwrap_or(0.0);
+
+                        let mut res_value = sth.as_f64().unwrap_or(0.0);
+                        if sth.is_string() {
+                            res_value = match sth.as_str().unwrap().parse::<f64>() {
+                                Ok(val) => val,
+                                Err(_) => panic!("Conversion error on {}", sth)
+                            };
+                        }
+
                         let system = value["tags"]["system"].as_str().unwrap().to_string();
                         let metric = value["tags"]["metric"].as_str().unwrap().to_string();
                         let unit = value["tags"]["unit"].as_str().unwrap().to_string();
@@ -110,7 +118,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let write_result = client
         .query(write_queries)
         .await;
-    assert!(write_result.is_ok(), "Write result was not okay");
+    assert!(write_result.is_ok(), "{}", write_result.err().unwrap().to_string());
 
     Ok(())
 }