diff --git a/utils.cmake b/utils.cmake
index 871ad119..ad709b22 100644
--- a/utils.cmake
+++ b/utils.cmake
@@ -38,7 +38,7 @@ endif()
 
 if(WITH_SYSTEM_GLFW STREQUAL "ON")
     find_package(glfw3 3.2.1 REQUIRED)
-else(WITH_SYSTEM_GLFW STREQUAL "IF_POSSIBLE")
+elseif(WITH_SYSTEM_GLFW STREQUAL "IF_POSSIBLE")
     find_package(glfw3 3.2.1)
 endif()
 if (glfw3_FOUND)