diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 99e0867..f092dce 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -15,7 +15,7 @@ build:
         script:
                 - apt update
                 - apt install -y gcc g++ libssl-dev uuid-dev xsltproc docbook docbook-xsl libmariadbclient-dev
-                - MOSQ_SRC = $PWD/parts/mosquitto
+                - MOSQ_SRC=$PWD/parts/mosquitto
                 - pushd parts/mosquitto && make && popd
                 - pushd parts/mosquitto-auth-plug && cat config.mk.in | sed 's,^MOSQUITTO_SRC =,MOSQUITTO_SRC = '"$MOSQ_SRC"',' > config.mk && make && popd