diff --git a/.github/workflows/ci-alpine.yml b/.github/workflows/ci-alpine.yml
index 81a1022050..992a8fb11e 100644
--- a/.github/workflows/ci-alpine.yml
+++ b/.github/workflows/ci-alpine.yml
@@ -29,7 +29,7 @@ jobs:
 
           sudo -u test -i \
             ./configure \
-              --prefix="$(pwd)/install" \
+              --prefix="$(pwd)/install-prefix" \
               --enable-mclib \
               --enable-aspell
 
diff --git a/.github/workflows/ci-fedora.yml b/.github/workflows/ci-fedora.yml
index d778620be1..faf2d76c39 100644
--- a/.github/workflows/ci-fedora.yml
+++ b/.github/workflows/ci-fedora.yml
@@ -32,7 +32,7 @@ jobs:
 
           sudo -u test -i \
             ./configure \
-              --prefix="$(pwd)/install" \
+              --prefix="$(pwd)/install-prefix" \
               --enable-mclib \
               --enable-aspell
 
diff --git a/.github/workflows/ci-macos.yml b/.github/workflows/ci-macos.yml
index b1ef5f0f69..861ddfb66b 100644
--- a/.github/workflows/ci-macos.yml
+++ b/.github/workflows/ci-macos.yml
@@ -27,7 +27,7 @@ jobs:
       - name: Build default configuration
         run: |
           ./configure \
-            --prefix="$(pwd)/install" \
+            --prefix="$(pwd)/install-prefix" \
             --enable-mclib \
             --enable-aspell=/opt/homebrew