diff --git a/.github/workflows/cmake-multi-platform.yml b/.github/workflows/cmake-multi-platform.yml
index ba4369f2..a67053cb 100644
--- a/.github/workflows/cmake-multi-platform.yml
+++ b/.github/workflows/cmake-multi-platform.yml
@@ -101,7 +101,7 @@ jobs:
 
     - name: Install LaTeX (Linux)
       # if: matrix.os == 'ubuntu-latest'
-      if: startsWith(matrix.config.os,'ubuntu-')
+      if: startsWith(matrix.os,'ubuntu-')
       run: |
         sudo apt update --fix-missing
         sudo apt upgrade
@@ -112,7 +112,7 @@ jobs:
       shell: bash
 
     - name: Install LaTeX (MacOS)
-      if: matrix.config.os == 'macos-latest'
+      if: matrix.os == 'macos-latest'
       run: |
         brew update
         brew install --cask mactex;
@@ -122,7 +122,7 @@ jobs:
       shell: bash
 
     - name: Install LaTeX (Windows)
-      if: startsWith(runner.os, 'windows-')
+      if: startsWith(matrix.os, 'windows-')
       uses: teatimeguest/setup-texlive-action@v3
       with:
         packages: >-