diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3c69ea1f9..5a6dd6edf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -82,7 +82,7 @@ kompute_option(KOMPUTE_OPT_INSTALL "Enable if you want to enable installation."
 
 # Build options
 kompute_option(KOMPUTE_OPT_BUILD_PYTHON "Enable if you want to build python bindings." OFF)
-kompute_log_level(KOMPUTE_OPT_LOG_LEVEL "Internally we use spdlog for logging. The log level used can be changed here." "Default")
+kompute_log_level(KOMPUTE_OPT_LOG_LEVEL "Internally we use spdlog for logging. The log level used can be changed here. Possible values: 'Trace', 'Debug', 'Info', 'Warn', 'Error', 'Critical', 'Off', 'Default'. If set to 'Off' spdlog will be deactivated completely. If set to 'Default', the log level will be set to 'Info' for release builds and 'Debug' else." "Default")
 kompute_option(KOMPUTE_OPT_ANDROID_BUILD "Enable android compilation flags required." OFF)
 kompute_option(KOMPUTE_OPT_DISABLE_VK_DEBUG_LAYERS "Explicitly disable debug layers even on debug." OFF)
 kompute_option(KOMPUTE_OPT_DISABLE_VULKAN_VERSION_CHECK "Whether to check if your driver supports the Vulkan Header version you are linking against. This might be useful in case you build shared on a different system than you run later." OFF)
diff --git a/docs/overview/build-system.rst b/docs/overview/build-system.rst
index db652372f..370510115 100644
--- a/docs/overview/build-system.rst
+++ b/docs/overview/build-system.rst
@@ -37,7 +37,7 @@ This by default configures without any of the extra build tasks (such as buildin
    * - -DKOMPUTE_OPT_BUILD_PYTHON=ON
      - Enable if you want to build python bindings.
    * - -DKOMPUTE_OPT_LOG_LEVEL="Trace"
-     - Internally we use spdlog for logging. The log level used can be changed here.
+     - Internally we use spdlog for logging. The log level used can be changed here. Possible values: 'Trace', 'Debug', 'Info', 'Warn', 'Error', 'Critical', 'Off', 'Default'. If set to 'Off' spdlog will be deactivated completely. If set to 'Default', the log level will be set to 'Info' for release builds and 'Debug' else.
    * - -DKOMPUTE_OPT_ANDROID_BUILD=ON
      - Enable android compilation flags required.
    * - -DKOMPUTE_OPT_DISABLE_VK_DEBUG_LAYERS=ON
diff --git a/src/logger/CMakeLists.txt b/src/logger/CMakeLists.txt
index 86b954794..0f54ef670 100644
--- a/src/logger/CMakeLists.txt
+++ b/src/logger/CMakeLists.txt
@@ -23,16 +23,14 @@ elseif(${KOMPUTE_OPT_LOG_LEVEL} STREQUAL "Error")
 elseif(${KOMPUTE_OPT_LOG_LEVEL} STREQUAL "Critical")
     set(KOMPUTE_OPT_LOG_LEVEL CRITICAL)
     message(STATUS "Using log level Critical")
-elseif(${KOMPUTE_OPT_LOG_LEVEL} STREQUAL Off)
+elseif(${KOMPUTE_OPT_LOG_LEVEL} STREQUAL "Off")
     set(KOMPUTE_OPT_LOG_LEVEL OFF)
     message(STATUS "Using log level Off")
-else()
-    if((NOT ${KOMPUTE_OPT_LOG_LEVEL} STREQUAL Default) AND(NOT KOMPUTE_OPT_LOG_LEVEL STREQUAL ""))
-        message(WARNING "Log level '${KOMPUTE_OPT_LOG_LEVEL}' unknown, use -DKOMPUTE_OPT_LOG_LEVEL=[Trace, Debug, Info, Warn, Error, Critical, Off]")
-    endif()
-
+elseif(${KOMPUTE_OPT_LOG_LEVEL} STREQUAL "Default")
     set(KOMPUTE_OPT_LOG_LEVEL $<IF:$<CONFIG:Debug>,DEBUG,INFO>)
     message(STATUS "Setting KOMPUTE_OPT_LOG_LEVEL to according to build type")
+else()
+    message(FATAL_ERROR "Log level '${KOMPUTE_OPT_LOG_LEVEL}' unknown, use -DKOMPUTE_OPT_LOG_LEVEL={Trace, Debug, Info, Warn, Error, Critical, Off, Default} to set it to a correct value.")
 endif()
 
 target_compile_definitions(kp_logger INTERFACE SPDLOG_ACTIVE_LEVEL=SPDLOG_LEVEL_${KOMPUTE_OPT_LOG_LEVEL})