diff --git a/CMakeLists.txt b/CMakeLists.txt
index fa61485d..44e39a33 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,29 +5,29 @@ file(GLOB COMPONENT_SRCS csrc/*.c)
 file(GLOB COMPONENT_HDRS csrc/*.h)
 
 if(COMMAND idf_component_register)
-        idf_component_register(SRCS "${COMPONENT_SRCS}" INCLUDE_DIRS csrc)
-        return()
+    idf_component_register(SRCS "${COMPONENT_SRCS}" INCLUDE_DIRS csrc)
+    return()
 endif()
 
 project(u8g2)
 
 if(COMMAND register_component)
-        set(COMPONENT_NAME ".")
-        register_component()
+    set(COMPONENT_NAME ".")
+    register_component()
 else()
-        add_library(u8g2 ${COMPONENT_SRCS})
-        target_include_directories(u8g2 PUBLIC "$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/csrc>" "$<INSTALL_INTERFACE:include>")
+    add_library(u8g2 ${COMPONENT_SRCS})
+    target_include_directories(u8g2 PUBLIC "$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/csrc>" "$<INSTALL_INTERFACE:include>")
 endif()
 
 install(TARGETS u8g2
-        EXPORT u8g2-targets
-        ARCHIVE DESTINATION lib)
+    EXPORT u8g2-targets
+    ARCHIVE DESTINATION lib)
 
 install(FILES ${COMPONENT_HDRS}
-        DESTINATION include/u8g2)
+    DESTINATION include/u8g2)
 
 install(EXPORT u8g2-targets
-        DESTINATION lib/cmake/u8g2)
+    DESTINATION lib/cmake/u8g2)
 
 install(FILES ${u8g2_SOURCE_DIR}/pkg/u8g2-config.cmake
-        DESTINATION lib/cmake/u8g2)
+    DESTINATION lib/cmake/u8g2)