diff --git a/zokrates_core/src/helpers/libsnark_gadget.rs b/zokrates_core/src/helpers/libsnark_gadget.rs
index 73451f30..27fea433 100644
--- a/zokrates_core/src/helpers/libsnark_gadget.rs
+++ b/zokrates_core/src/helpers/libsnark_gadget.rs
@@ -7,7 +7,7 @@ use zokrates_field::field::Field;
 
 #[derive(Clone, PartialEq, Debug, Serialize, Deserialize)]
 pub enum LibsnarkGadgetHelper {
-    Sha256Round
+    Sha256Round,
 }
 
 impl fmt::Display for LibsnarkGadgetHelper {
@@ -42,7 +42,7 @@ impl<T: Field> Executable<T> for LibsnarkGadgetHelper {
 impl Signed for LibsnarkGadgetHelper {
     fn get_signature(&self) -> (usize, usize) {
         match self {
-            LibsnarkGadgetHelper::Sha256Round => (768, 25817)
+            LibsnarkGadgetHelper::Sha256Round => (768, 25817),
         }
     }
 }
diff --git a/zokrates_core/src/helpers/mod.rs b/zokrates_core/src/helpers/mod.rs
index de427375..19546720 100644
--- a/zokrates_core/src/helpers/mod.rs
+++ b/zokrates_core/src/helpers/mod.rs
@@ -154,7 +154,7 @@ mod tests {
                 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 
                 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 
                 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 
-                1, 0, 0, 1
+                1, 0, 0, 1,
             ];
             let r = sha
                 .execute(&inputs.iter().map(|&i| FieldPrime::from(i)).collect())
diff --git a/zokrates_core/src/imports.rs b/zokrates_core/src/imports.rs
index afcc7fff..f2fd67d8 100644
--- a/zokrates_core/src/imports.rs
+++ b/zokrates_core/src/imports.rs
@@ -127,7 +127,7 @@ impl Importer {
                 #[cfg(feature = "libsnark")]
                 {
                     use helpers::LibsnarkGadgetHelper;
-                    use libsnark::{get_sha256round_constraints};
+                    use libsnark::get_sha256round_constraints;
                     use serde_json::from_str;
                     use standard::{DirectiveR1CS, R1CS};
                     use std::io::BufReader;