diff --git a/CMakeLists.txt b/CMakeLists.txt
index 078512056..99bfc7695 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -674,7 +674,7 @@ elseif(CURL_CA_PATH_AUTODETECT OR CURL_CA_BUNDLE_AUTODETECT)
             if(EXISTS "${SEARCH_CA_BUNDLE_PATH}")
                 message(STATUS "Found CA bundle: ${SEARCH_CA_BUNDLE_PATH}")
                 set(CURL_CA_BUNDLE "${SEARCH_CA_BUNDLE_PATH}")
-                set(CURL_CA_BUNDLE_SET TRUE CACHE)
+                set(CURL_CA_BUNDLE_SET TRUE CACHE BOOL "Path to the CA bundle has been set")
                 break()
             endif()
         endforeach()
@@ -683,7 +683,7 @@ elseif(CURL_CA_PATH_AUTODETECT OR CURL_CA_BUNDLE_AUTODETECT)
     if(CURL_CA_PATH_AUTODETECT AND (NOT CURL_CA_PATH_SET))
         if(EXISTS "/etc/ssl/certs")
             set(CURL_CA_PATH "/etc/ssl/certs")
-            set(CURL_CA_PATH_SET TRUE CACHE)
+            set(CURL_CA_PATH_SET TRUE CACHE BOOL "Path to the CA bundle has been set")
         endif()
     endif()
 endif()
diff --git a/lib/curl_config.h.cmake b/lib/curl_config.h.cmake
index b5b957f54..812d96977 100644
--- a/lib/curl_config.h.cmake
+++ b/lib/curl_config.h.cmake
@@ -4,13 +4,13 @@
 #cmakedefine BUILDING_LIBCURL 1
 
 /* Location of default ca bundle */
-#cmakedefine CURL_CA_BUNDLE ${CURL_CA_BUNDLE}
+#cmakedefine CURL_CA_BUNDLE "${CURL_CA_BUNDLE}"
 
 /* define "1" to use built-in ca store of TLS backend */
 #cmakedefine CURL_CA_FALLBACK 1
 
 /* Location of default ca path */
-#cmakedefine CURL_CA_PATH ${CURL_CA_PATH}
+#cmakedefine CURL_CA_PATH "${CURL_CA_PATH}"
 
 /* to disable cookies support */
 #cmakedefine CURL_DISABLE_COOKIES 1