diff --git a/CMakeLists.txt b/CMakeLists.txt
index 317e3988c9..692629fc1b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -443,9 +443,9 @@ if(ENABLE_TESTING)
         # 2. Run the relevant tests for the part of the code you're interested in.
         #    For the reference coverage measurement, see
         #    tests/scripts/basic-build-test.sh
-        # 3. Run framework/scripts/lcov.sh to generate an HTML report.
+        # 3. Run ${MBEDTLS_FRAMEWORK_DIR}/scripts/lcov.sh to generate an HTML report.
         ADD_CUSTOM_TARGET(lcov
-            COMMAND framework/scripts/lcov.sh
+            COMMAND ${MBEDTLS_FRAMEWORK_DIR}/scripts/lcov.sh
         )
 
         ADD_CUSTOM_TARGET(memcheck