diff --git a/debian/tests/findmodules b/debian/tests/findmodules
index dd640566d..a17ab4ac7 100755
--- a/debian/tests/findmodules
+++ b/debian/tests/findmodules
@@ -4,6 +4,6 @@ set -ev
 
 SRCDIR="$(pwd)"
 
-cd "$ADTTMP"
+cd "$AUTOPKGTEST_TMP"
 
 cmake "$SRCDIR/debian/tests/findmodules_data"
diff --git a/debian/tests/testsuite b/debian/tests/testsuite
index 12bbb9a73..bc84beb2b 100755
--- a/debian/tests/testsuite
+++ b/debian/tests/testsuite
@@ -4,7 +4,7 @@ set -ev
 
 SRCDIR="$(pwd)"
 
-cd "$ADTTMP"
+cd "$AUTOPKGTEST_TMP"
 
 cmake -DCMake_TEST_EXTERNAL_CMAKE=/usr/bin "$SRCDIR"
 make VERBOSE=1
diff --git a/debian/tests/testsuite-ninja b/debian/tests/testsuite-ninja
index ebdaeeef8..383d4c0bd 100755
--- a/debian/tests/testsuite-ninja
+++ b/debian/tests/testsuite-ninja
@@ -4,7 +4,7 @@ set -ev
 
 SRCDIR="$(pwd)"
 
-cd "$ADTTMP"
+cd "$AUTOPKGTEST_TMP"
 
 cmake -DCMake_TEST_EXTERNAL_CMAKE=/usr/bin -GNinja "$SRCDIR"
 ninja -v