diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f17a279..9c76168 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -38,7 +38,7 @@ test_image:
   rules:
   - if: '$CI_PIPELINE_SOURCE != "trigger" && $CI_PIPELINE_SOURCE != "pipeline"'
     when: never
-  - if: '$PLATFORM == ""'
+  - if: '"$PLATFORM" == ""'
   tags:
   - graphics
 
@@ -49,7 +49,7 @@ test_image_gen9:
   rules:
   - if: '$CI_PIPELINE_SOURCE != "trigger" && $CI_PIPELINE_SOURCE != "pipeline"'
     when: never
-  - if: '$PLATFORM == "gen9"'
+  - if: '"$PLATFORM" == "gen9"'
   tags:
   - graphics
   - gen9
@@ -61,7 +61,7 @@ test_image_gen11:
   rules:
   - if: '$CI_PIPELINE_SOURCE != "trigger" && $CI_PIPELINE_SOURCE != "pipeline"'
     when: never
-  - if: '$PLATFORM == "gen11"'
+  - if: '"$PLATFORM" == "gen11"'
   tags:
   - graphics
   - gen11
@@ -73,7 +73,7 @@ test_image_gen12:
   rules:
   - if: '$CI_PIPELINE_SOURCE != "trigger" && $CI_PIPELINE_SOURCE != "pipeline"'
     when: never
-  - if: '$PLATFORM == "gen12"'
+  - if: '"$PLATFORM" == "gen12"'
   tags:
   - graphics
   - gen12
@@ -85,7 +85,7 @@ test_image_dg1:
   rules:
   - if: '$CI_PIPELINE_SOURCE != "trigger" && $CI_PIPELINE_SOURCE != "pipeline"'
     when: never
-  - if: '$PLATFORM == "dg1"'
+  - if: '"$PLATFORM" == "dg1"'
   tags:
   - graphics
   - dg1
@@ -97,7 +97,7 @@ test_image_dg2:
   rules:
   - if: '$CI_PIPELINE_SOURCE != "trigger" && $CI_PIPELINE_SOURCE != "pipeline"'
     when: never
-  - if: '$PLATFORM == "dg2"'
+  - if: '"$PLATFORM" == "dg2"'
   tags:
   - graphics
   - dg2