diff --git a/src/sensors/powercap_rapl.rs b/src/sensors/powercap_rapl.rs
index ced3ef9a..12f7dcfe 100644
--- a/src/sensors/powercap_rapl.rs
+++ b/src/sensors/powercap_rapl.rs
@@ -82,10 +82,13 @@ impl RecordReader for Topology {
             debug!("Suming socket metrics to get host metric");
             for s in &self.sockets {
                 if let Ok(r) = s.read_record() {
-                    if let Ok(val) = r.value.parse::<i32>() {
-                        total += val;
-                    } else {
-                        trace!("could'nt convert {} to i32", r.value);
+                    match r.value.trim().parse::<i32>() {
+                        Ok(val) => {
+                            total += val;
+                        },
+                        Err(e) => {
+                            debug!("could'nt convert {} to i32: {}", r.value, e);
+                        }
                     }
                 }
                 //for d in &s.domains {