diff --git a/libimagutil/Cargo.toml b/libimagutil/Cargo.toml
index 6e442b18..3e7d82f8 100644
--- a/libimagutil/Cargo.toml
+++ b/libimagutil/Cargo.toml
@@ -4,6 +4,7 @@ version = "0.1.0"
 authors = ["Matthias Beyer <mail@beyermatthias.de>"]
 
 [dependencies]
+lazy_static = "0.1.15"
 log = "0.3.5"
 regex = "0.1.47"
 
diff --git a/libimagutil/src/key_value_split.rs b/libimagutil/src/key_value_split.rs
index 796f0c82..b5e2790e 100644
--- a/libimagutil/src/key_value_split.rs
+++ b/libimagutil/src/key_value_split.rs
@@ -43,16 +43,19 @@ impl IntoKeyValue<String, String> for String {
 
     fn into_kv(self) -> Option<KeyValue<String, String>> {
         let key = {
-            let r = "^(?P<KEY>([^=]*))=(.*)$";
-            let r = Regex::new(r).unwrap();
-            r.captures(&self[..])
+            lazy_static! {
+                static ref R: Regex = Regex::new("^(?P<KEY>([^=]*))=(.*)$").unwrap();
+            }
+            R.captures(&self[..])
                 .and_then(|caps| caps.name("KEY"))
         };
 
         let value = {
-            let r = "(.*)=(\"(?P<QVALUE>([^\"]*))\"|(?P<VALUE>(.*)))$";
-            let r = Regex::new(r).unwrap();
-            r.captures(&self[..])
+            lazy_static! {
+                static ref R: Regex = Regex::new("(.*)=(\"(?P<QVALUE>([^\"]*))\"|(?P<VALUE>(.*)))$")
+                    .unwrap();
+            }
+            R.captures(&self[..])
                 .map(|caps| {
                     caps.name("VALUE")
                         .or(caps.name("QVALUE"))
diff --git a/libimagutil/src/lib.rs b/libimagutil/src/lib.rs
index a7586143..0b74fc2d 100644
--- a/libimagutil/src/lib.rs
+++ b/libimagutil/src/lib.rs
@@ -1,3 +1,4 @@
+#[macro_use] extern crate lazy_static;
 #[macro_use] extern crate log;
 extern crate regex;