diff --git a/CMakeLists.txt b/CMakeLists.txt
index aea6806..d133de1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -103,7 +103,7 @@
     COMMAND lcov --add-tracefile files.info --add-tracefile tests.info -o all.info
     COMMAND lcov --remove all.info -o final.info '*.h'
     COMMAND gendesc tests/Descriptions.txt -o descriptions
-    COMMAND genhtml --title mbed TLS --description-file descriptions --keep-descriptions --legend --no-branch-coverage -o Coverage final.info
+    COMMAND genhtml --title "mbed TLS" --description-file descriptions --keep-descriptions --legend --no-branch-coverage -o Coverage final.info
     COMMAND rm -f files.info tests.info all.info final.info descriptions
     )