diff --git a/CMakeLists.txt b/CMakeLists.txt
index e63c9843..1432aede 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -48,7 +48,7 @@ endif()
 set(CMAKE_COMMON_FLAGS "-Wall -ggdb ${DRAIOS_FEATURE_FLAGS}")
 
 if(BUILD_WARNINGS_AS_ERRORS)
-	set(CMAKE_SUPPRESSED_WARNINGS "-Wno-unused-parameter -Wno-missing-field-initializers -Wno-sign-compare -Wno-type-limits -Wno-implicit-fallthrough -Wno-format-truncation")
+	set(CMAKE_SUPPRESSED_WARNINGS "-Wno-unused-parameter -Wno-unused-variable -Wno-unused-but-set-variable -Wno-missing-field-initializers -Wno-sign-compare -Wno-type-limits -Wno-implicit-fallthrough -Wno-format-truncation")
 	set(CMAKE_COMMON_FLAGS "${CMAKE_COMMON_FLAGS} -Wextra -Werror ${CMAKE_SUPPRESSED_WARNINGS}")
 endif()