diff --git a/tests/scripts/mbedtls-all.sh b/tests/scripts/mbedtls-all.sh
index a1b062a..089cb6b 100755
--- a/tests/scripts/mbedtls-all.sh
+++ b/tests/scripts/mbedtls-all.sh
@@ -10,6 +10,7 @@
 
 # This script must be invoked from the project's root.
 
-source framework/scripts/all-core.sh
+FRAMEWORK="$PWD/framework"
+source $FRAMEWORK/scripts/all-core.sh
 
 main "$@"