diff --git a/src/main.rs b/src/main.rs
index 3396915..916b17d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -160,7 +160,7 @@ fn main() -> Result<(), Box<dyn Error>> {
             let data = &mut read_inputfile(inputfile)?;
 
             if let Some(profile) = profile {
-                let profile = if profile.contains(".") {
+                let profile = if profile.contains('.') {
                     read_profile(profile.clone()).map_err(|_| {
                         FileError::Reading(profile, "Kann Profildatei nicht lesen!".into())
                     })?