diff --git a/.github/workflows/Pipeline.yml b/.github/workflows/Pipeline.yml
index b28a0f96..fde2ff7b 100644
--- a/.github/workflows/Pipeline.yml
+++ b/.github/workflows/Pipeline.yml
@@ -25,21 +25,33 @@ jobs:
       ubuntu_before_script: |
         which ghdl
         ghdl version
-      macos_before_script: |
+        echo "GHDL_PREFIX=$(realpath $(dirname $(which ghdl))/../lib/ghdl) >> $GITHUB_ENV"
+        echo "GHDL_PREFIX=$(realpath $(dirname $(which ghdl))/../lib/ghdl)" >> $GITHUB_ENV
+        ls -lAh "$(realpath $(dirname $(which ghdl))/../lib/ghdl)"
+      macos_arm_before_script: |
         which ghdl
         ghdl version
         echo $(brew --prefix llvm@15)
         export DYLD_LIBRARY_PATH=$(brew --prefix llvm@15)/lib
         echo -$DYLD_LIBRARY_PATH-
         echo "DYLD_LIBRARY_PATH=$(brew --prefix llvm@15)/lib" >> $GITHUB_ENV
+        echo "GHDL_PREFIX=$(realpath $(dirname $(which ghdl))/../lib/ghdl) >> $GITHUB_ENV"
+        echo "GHDL_PREFIX=$(realpath $(dirname $(which ghdl))/../lib/ghdl)" >> $GITHUB_ENV
+        ls -lAh "$(realpath $(dirname $(which ghdl))/../lib)"
         echo "----"
         ls $(brew --prefix llvm@15)/lib
       mingw64_before_script: |
         which ghdl
         ghdl version
+        echo "GHDL_PREFIX=$(realpath $(dirname $(which ghdl))/../lib/ghdl) >> $GITHUB_ENV"
+        echo "GHDL_PREFIX=$(realpath $(dirname $(which ghdl))/../lib/ghdl)" >> $GITHUB_ENV
+#        ls -lAh "$(realpath $(dirname $(which ghdl))/../lib)"
       ucrt64_before_script: |
         which ghdl
         ghdl version
+        echo "GHDL_PREFIX=$(realpath $(dirname $(which ghdl))/../lib/ghdl) >> $GITHUB_ENV"
+        echo "GHDL_PREFIX=$(realpath $(dirname $(which ghdl))/../lib/ghdl)" >> $GITHUB_ENV
+#        ls -lAh "$(realpath $(dirname $(which ghdl))/../lib)"
 #      ubuntu_before_script: sudo install -m 755 tests/mock/ghdl /usr/local/bin
       requirements: "-r tests/unit/requirements.txt"
       unittest_xml_artifact: ${{ fromJson(needs.UnitTestingParams.outputs.artifact_names).unittesting_xml }}
diff --git a/tests/unit/GHDL.py b/tests/unit/GHDL.py
index be85a1f4..ad95dd99 100644
--- a/tests/unit/GHDL.py
+++ b/tests/unit/GHDL.py
@@ -33,15 +33,12 @@
 from pathlib              import Path
 from unittest             import TestCase
 
-from pyTooling.Platform   import CurrentPlatform
-
 from pyEDAA.CLITool.GHDL  import GHDL
 from .                    import Helper
 
 
 class GHDLTestcases(TestCase, Helper):
-	_libraryDirectoryPath = (Path(os_getenv("GHDL_PREFIX", default="/usr/lib/ghdl" if not CurrentPlatform.IsNativeMacOS else "/opt/homebrew/lib/ghdl")) / "../").resolve()
-	_binaryDirectoryPath = (Path(os_getenv("GHDL_PREFIX", default="/usr/lib/ghdl" if not CurrentPlatform.IsNativeMacOS else "/opt/homebrew/lib/ghdl")) / "../../bin").resolve()
+	_binaryDirectoryPath = (Path(os_getenv("GHDL_PREFIX", default="/usr/lib/ghdl")) / "../../bin").resolve()
 
 
 class CommonOptions(GHDLTestcases):