diff --git a/rust-env_logger0.5.spec b/rust-env_logger0.5.spec
index 8a06e55..16971f7 100644
--- a/rust-env_logger0.5.spec
+++ b/rust-env_logger0.5.spec
@@ -67,6 +67,7 @@ which use "regex" feature of "%{crate}" crate.
 
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
+sed -i -e '/#!\[deny(.*warnings.*)\]/d' src/lib.rs
 %cargo_prep
 
 %generate_buildrequires