diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d20dd9407..92b1272ef 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,8 +16,9 @@ jobs:
       fail-fast: false
       matrix:
         libvvp: [false, true]
+        suffix: [false, true]
     runs-on: macos-15-intel
-    name: 🍏 macOS${{ matrix.libvvp && ' +libvvp' || '' }}
+    name: 🍏 macOS${{ matrix.libvvp && ' +libvvp' || '' }}${{ matrix.suffix && ' +suffix' || '' }}
     steps:
 
     - uses: actions/checkout@v4
@@ -34,6 +35,9 @@ jobs:
         if [ "${{ matrix.libvvp }}" = "true" ]; then
             CONFIG_OPTS="$CONFIG_OPTS --enable-libvvp"
         fi
+        if [ "${{ matrix.suffix }}" = "true" ]; then
+            CONFIG_OPTS="$CONFIG_OPTS --enable-suffix"
+        fi
         autoconf
         ./configure $CONFIG_OPTS
         make -j$(nproc) check
@@ -50,8 +54,9 @@ jobs:
       matrix:
         os: ['22.04', '24.04']
         libvvp: [false, true]
+        suffix: [false, true]
     runs-on: ubuntu-${{ matrix.os }}
-    name: 🐧 Ubuntu ${{ matrix.os }}${{ matrix.libvvp && ' +libvvp' || '' }}
+    name: 🐧 Ubuntu ${{ matrix.os }}${{ matrix.libvvp && ' +libvvp' || '' }}${{ matrix.suffix && ' +suffix' || '' }}
     steps:
 
     - uses: actions/checkout@v4
@@ -67,6 +72,9 @@ jobs:
         if [ "${{ matrix.libvvp }}" = "true" ]; then
             CONFIG_OPTS="$CONFIG_OPTS --enable-libvvp"
         fi
+        if [ "${{ matrix.suffix }}" = "true" ]; then
+            CONFIG_OPTS="$CONFIG_OPTS --enable-suffix"
+        fi
         autoconf
         ./configure $CONFIG_OPTS
         make -j$(nproc) check
@@ -88,11 +96,12 @@ jobs:
       matrix:
         msystem: [MINGW64, UCRT64, CLANG64]
         libvvp: [false, true]
+        suffix: [false, true]
         include:
           - { msystem: MINGW64, env: x86_64 }
           - { msystem: UCRT64,  env: ucrt-x86_64 }
           - { msystem: CLANG64, env: clang-x86_64 }
-    name: 🟪 ${{ matrix.msystem }}${{ matrix.libvvp && ' +libvvp' || '' }}
+    name: 🟪 ${{ matrix.msystem }}${{ matrix.libvvp && ' +libvvp' || '' }}${{ matrix.suffix && ' +suffix' || '' }}
     defaults:
       run:
         shell: msys2 {0}
@@ -129,6 +138,9 @@ jobs:
         if [ "${{ matrix.libvvp }}" = "true" ] ; then
             CONFIG_OPTS="$CONFIG_OPTS --enable-libvvp"
         fi
+        if [ "${{ matrix.suffix }}" = "true" ]; then
+            CONFIG_OPTS="$CONFIG_OPTS --enable-suffix"
+        fi
         export IVL_CONFIG_OPTIONS="$CONFIG_OPTS"
         makepkg-mingw --noconfirm --noprogressbar -sCLf