diff --git a/CMakeLists.txt b/CMakeLists.txt
index 74b428d..3e91a70 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,28 +31,30 @@ message(STATUS "VMA_DEBUG_INITIALIZE_ALLOCATIONS = ${VMA_DEBUG_INITIALIZE_ALLOCA
 message(STATUS "VMA_DEBUG_GLOBAL_MUTEX = ${VMA_DEBUG_GLOBAL_MUTEX}")
 message(STATUS "VMA_DEBUG_DONT_EXCEED_MAX_MEMORY_ALLOCATION_COUNT = ${VMA_DEBUG_DONT_EXCEED_MAX_MEMORY_ALLOCATION_COUNT}")
 
-IF(VMA_BUILD_SAMPLE)
-	SET(VMA_BUILD_SAMPLE_SHADERS ON)
-ENDIF(VMA_BUILD_SAMPLE)
+if(VMA_BUILD_SAMPLE)
+    set(VMA_BUILD_SAMPLE_SHADERS ON)
+endif(VMA_BUILD_SAMPLE)
 
 find_package(Doxygen)
 option(BUILD_DOCUMENTATION "Create and install the HTML based API documentation (requires Doxygen)" OFF)
 
-if (DOXYGEN_FOUND AND BUILD_DOCUMENTATION)
-    # set input and output files
-    set(DOXYGEN_IN ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile)
-    set(DOXYGEN_OUT ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile)
+if(BUILD_DOCUMENTATION)
+    if(DOXYGEN_FOUND)
+        # set input and output files
+        set(DOXYGEN_IN ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile)
+        set(DOXYGEN_OUT ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile)
 
-    # request to configure the file
-    configure_file(${DOXYGEN_IN} ${DOXYGEN_OUT} @ONLY)
-    # note the option ALL which allows to build the docs together with the application
-    add_custom_target( doc_doxygen ALL
-        COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYGEN_OUT}
-        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
-        COMMENT "Generating API documentation with Doxygen"
-        VERBATIM )
-else (DOXYGEN_FOUND AND BUILD_DOCUMENTATION)
-  message("Doxygen need to be installed to generate the doxygen documentation")
-endif (DOXYGEN_FOUND AND BUILD_DOCUMENTATION)
+        # request to configure the file
+        configure_file(${DOXYGEN_IN} ${DOXYGEN_OUT} @ONLY)
+        # note the option ALL which allows to build the docs together with the application
+        add_custom_target( doc_doxygen ALL
+            COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYGEN_OUT}
+            WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+            COMMENT "Generating API documentation with Doxygen"
+            VERBATIM )
+    else()
+        message("Doxygen need to be installed to generate the doxygen documentation")
+    endif()
+endif()
 
 add_subdirectory(src)