diff --git a/CHANGELOG.md b/CHANGELOG.md
index c11111d1d..0c99a0720 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@
 
 - php: fix return value of function hdata_longlong
 - tcl: fix return value of function hdata_longlong ([#2119](https://github.com/weechat/weechat/issues/2119))
+- core, relay: fix include directory of libcjson and libzstd
 - tests: fix relay tests on s390x ([#2118](https://github.com/weechat/weechat/issues/2118))
 - tests: fix check of php plugin ([#2117](https://github.com/weechat/weechat/issues/2117))
 - tests: fix compilation of tests on Fedora 40 ([#2116](https://github.com/weechat/weechat/issues/2116))
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index e6e1aadfb..5c88708c3 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -92,11 +92,11 @@ include_directories(${GNUTLS_INCLUDE_PATH})
 include_directories(${CURL_INCLUDE_DIRS})
 
 if(ENABLE_ZSTD)
-  include_directories(${ZSTD_INCLUDE_DIRS})
+  include_directories(${LIBZSTD_INCLUDE_DIRS})
 endif()
 
 if(ENABLE_CJSON)
-  include_directories(${CJSON_INCLUDE_DIRS})
+  include_directories(${LIBCJSON_INCLUDE_DIRS})
 endif()
 
 include_directories("${CMAKE_BINARY_DIR}")
diff --git a/src/plugins/relay/CMakeLists.txt b/src/plugins/relay/CMakeLists.txt
index cbafd394d..c175d50bd 100644
--- a/src/plugins/relay/CMakeLists.txt
+++ b/src/plugins/relay/CMakeLists.txt
@@ -68,12 +68,12 @@ list(APPEND LINK_LIBS ${GCRYPT_LDFLAGS})
 list(APPEND LINK_LIBS ${ZLIB_LIBRARY})
 
 if(ENABLE_ZSTD)
-  include_directories(${ZSTD_INCLUDE_DIRS})
+  include_directories(${LIBZSTD_INCLUDE_DIRS})
   list(APPEND LINK_LIBS ${LIBZSTD_LDFLAGS})
 endif()
 
 if(ENABLE_CJSON)
-  include_directories(${CJSON_INCLUDE_DIRS})
+  include_directories(${LIBCJSON_INCLUDE_DIRS})
   list(APPEND LINK_LIBS ${LIBCJSON_LDFLAGS})
 endif()