diff --git a/Cargo.lock b/Cargo.lock
index fc796a9..12baeb0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1108,7 +1108,7 @@ dependencies = [
 
 [[package]]
 name = "wttrbar"
-version = "0.3.0"
+version = "0.3.1"
 dependencies = [
  "chrono",
  "pad",
diff --git a/Cargo.toml b/Cargo.toml
index d6e6156..1f499e8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wttrbar"
-version = "0.3.0"
+version = "0.3.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/main.rs b/main.rs
index 6bd57f4..0e19d25 100644
--- a/main.rs
+++ b/main.rs
@@ -75,7 +75,7 @@ fn main() {
         None => "temp_C",
     };
 
-    let date_format = match args.iter().position(|arg| arg == "--dateformat") {
+    let date_format = match args.iter().position(|arg| arg == "--date-format") {
         Some(index) => args.get(index + 1).unwrap(),
         None => "%Y-%m-%d",
     };