diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index b78975703..9e7c7b364 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -37,6 +37,7 @@ jobs:
       matrix:
         # macos-latest and ubuntu-latest uses OpenSSL 3 which breaks tests
         os: [macos-11, ubuntu-20.04, windows-latest]
+        # N.B. these names are used in conditional statements below.
         java: [ 8, 11, 17 ]
         experimental: [false]
 #        include:
@@ -82,11 +83,11 @@ jobs:
       run: |
         mvn -q exec:java -D"exec.mainClass=org.apache.commons.crypto.Crypto"
     - name: Run Crypto (JNI - macOS)
-      if: ${{ matrix.os == 'macos-latest' }}
+      if: ${{ matrix.os == 'macos-11' }}
       run: |
         mvn -q exec:java -D"exec.mainClass=org.apache.commons.crypto.Crypto" -D"jni.library.path=/usr/local/miniconda/lib"
     - name: Run OpenSslJna (JNA - macOS)
-      if: ${{ matrix.os == 'macos-latest' }}
+      if: ${{ matrix.os == 'macos-11' }}
       run: |
         mvn -q exec:java -D"exec.mainClass=org.apache.commons.crypto.jna.OpenSslJna" -D"jna.library.path=/usr/local/miniconda/lib"
     - name: Run OpenSslJna (JNA - Ubuntu)