diff --git a/bin/test/test_integ.sh b/bin/test/test_integ.sh
index dce1d28d0..f82976064 100755
--- a/bin/test/test_integ.sh
+++ b/bin/test/test_integ.sh
@@ -2,7 +2,7 @@
 set -e
 
 echo "----- integration tests -----"
-export PATH="$PWD/target/debug:$PATH"
+export PATH="$PWD/target/release:$PATH"
 cd integration || exit
 ./integration.py
 ./test_curl_commands.sh "$(find ./tests_ok ./tests_failed -maxdepth 1 -type f -name '*.curl' ! -name '*windows*')"
diff --git a/bin/test/test_unit.sh b/bin/test/test_unit.sh
index 9d8a785b9..dc2ec348b 100755
--- a/bin/test/test_unit.sh
+++ b/bin/test/test_unit.sh
@@ -3,4 +3,4 @@ set -e
 echo "----- unit tests  -----"
 PATH="$HOME"/.cargo/bin:$PATH
 export PATH
-cargo test --features strict --tests
+cargo test --release --features strict --tests