diff --git a/ci/build-run-docker.sh b/ci/build-run-docker.sh
index 419ca28de4..cebbb04159 100644
--- a/ci/build-run-docker.sh
+++ b/ci/build-run-docker.sh
@@ -25,9 +25,7 @@ docker run \
 
 # check that rustup-init was built with ssl support
 # see https://github.com/rust-lang-nursery/rustup.rs/issues/1051
-out=$(nm target/$TARGET/release/rustup-init | grep Curl_ssl_init)
-
-if [ -z "$out" ]; then
-  echo "error: Missing ssl support!!!!" >&2
+if ! (nm target/$TARGET/release/rustup-init | grep Curl_ssl_version &> /dev/null); then
+  echo "Missing ssl support!!!!" >&2
   exit 1
-fi
\ No newline at end of file
+fi