diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e0407c6..9a476c0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -42,7 +42,7 @@ thread-safety-analysis:
   stage: test
   script:
     - mkdir build && cd build
-    - CXX=clang++ CXXFLAGS="-Werror -Wno-deprecated-declarations" cmake ..
+    - CXX=clang++ CXXFLAGS=-Werror cmake ..
     - make -j$(nproc)
 
 address-sanitizer:
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e9b7928..c3d29d9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,7 +18,7 @@ include(CPack)
 
 set(CMAKE_CXX_STANDARD 14)
 
-add_compile_options(-pthread -Wall -Wextra -Wno-unused-parameter)
+add_compile_options(-pthread -Wall -Wextra -Wno-unused-parameter -Wno-deprecated-declarations)
 add_definitions(-DJUCI_VERSION="${JUCI_VERSION}")
 if(CMAKE_BUILD_TYPE STREQUAL "")
   add_compile_options(-O3)