diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d2e7c3ea167347b6282d35b3f1f82c82ee3bf586..a153b365235cf44519cfa349fa34df404290f02c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,7 +9,8 @@ before_script:
 
 build_binaries:
   stage: build
-  tags: dynare
+  tags:
+    - dynare
   script:
     - autoreconf -si
     - './configure --with-matlab=$(dirname $(dirname $(readlink -f `which matlab`))) MATLAB_VERSION=$(echo version | matlab -nodesktop -nodisplay -nosplash 2>/dev/null | sed -En "/ans\ =/!d;n;n;s/^[^0-9]*([0-9]+\.[0-9]+).*$/\1/;p")'
@@ -24,7 +25,8 @@ build_binaries:
 
 build_doc:
   stage: build
-  tags: dynare
+  tags:
+    - dynare
   script:
     - autoreconf -si
     - ./configure --disable-matlab --disable-octave
@@ -37,7 +39,8 @@ build_doc:
 
 testsuite_matlab:
   stage: test
-  tags: dynare
+  tags:
+    - dynare
   script:
     - autoreconf -si
     - './configure --disable-octave --with-matlab=$(dirname $(dirname $(readlink -f `which matlab`))) MATLAB_VERSION=$(echo version | matlab -nodesktop -nodisplay -nosplash 2>/dev/null | sed -En "/ans\ =/!d;n;n;s/^[^0-9]*([0-9]+\.[0-9]+).*$/\1/;p")'
@@ -57,7 +60,8 @@ testsuite_matlab:
 
 .testsuite_octave_template:
   stage: test
-  tags: dynare
+  tags:
+    - dynare
   variables:
     OPENBLAS_NUM_THREADS: 1
   script: