diff --git a/pkgs/clan-app/tests/root.py b/pkgs/clan-app/tests/root.py
index 0cac067be..8593bd5e6 100644
--- a/pkgs/clan-app/tests/root.py
+++ b/pkgs/clan-app/tests/root.py
@@ -5,7 +5,7 @@ import pytest
 
 TEST_ROOT = Path(__file__).parent.resolve()
 PROJECT_ROOT = TEST_ROOT.parent
-if CLAN_CORE_ := os.environ.get("CLAN_CORE"):
+if CLAN_CORE_ := os.environ.get("CLAN_CORE_PATH"):
     CLAN_CORE = Path(CLAN_CORE_)
 else:
     CLAN_CORE = PROJECT_ROOT.parent.parent
diff --git a/pkgs/clan-cli/default.nix b/pkgs/clan-cli/default.nix
index c4f75a47f..4d16ca556 100644
--- a/pkgs/clan-cli/default.nix
+++ b/pkgs/clan-cli/default.nix
@@ -185,7 +185,6 @@ pythonRuntime.pkgs.buildPythonApplication {
             chmod +w -R ./src
             cd ./src
 
-            export CLAN_CORE=${clan-core-path}
             export CLAN_CORE_PATH=${clan-core-path}
             export NIX_STATE_DIR=$TMPDIR/nix
             export IN_NIX_SANDBOX=1
diff --git a/pkgs/clan-cli/tests/root.py b/pkgs/clan-cli/tests/root.py
index 0cac067be..8593bd5e6 100644
--- a/pkgs/clan-cli/tests/root.py
+++ b/pkgs/clan-cli/tests/root.py
@@ -5,7 +5,7 @@ import pytest
 
 TEST_ROOT = Path(__file__).parent.resolve()
 PROJECT_ROOT = TEST_ROOT.parent
-if CLAN_CORE_ := os.environ.get("CLAN_CORE"):
+if CLAN_CORE_ := os.environ.get("CLAN_CORE_PATH"):
     CLAN_CORE = Path(CLAN_CORE_)
 else:
     CLAN_CORE = PROJECT_ROOT.parent.parent
diff --git a/pkgs/clan-vm-manager/tests/root.py b/pkgs/clan-vm-manager/tests/root.py
index 0cac067be..8593bd5e6 100644
--- a/pkgs/clan-vm-manager/tests/root.py
+++ b/pkgs/clan-vm-manager/tests/root.py
@@ -5,7 +5,7 @@ import pytest
 
 TEST_ROOT = Path(__file__).parent.resolve()
 PROJECT_ROOT = TEST_ROOT.parent
-if CLAN_CORE_ := os.environ.get("CLAN_CORE"):
+if CLAN_CORE_ := os.environ.get("CLAN_CORE_PATH"):
     CLAN_CORE = Path(CLAN_CORE_)
 else:
     CLAN_CORE = PROJECT_ROOT.parent.parent