diff --git a/pages/common/cmake.md b/pages/common/cmake.md
index f07ce03ac..bf93549e9 100644
--- a/pages/common/cmake.md
+++ b/pages/common/cmake.md
@@ -7,9 +7,9 @@
 
 `cmake && make`
 
-- Generate a Makefile and use it to compile a project in a separate folder (out-of-source build):
+- Generate a Makefile and use it to compile a project in a separate "build" folder (out-of-source build):
 
-`cd {{build_folder}} && cmake ../ && make`
+`mkdir -p {{build}} && cd {{build}} && cmake ../ && make`
 
 - Run cmake in interactive mode (it will ask for each variable, instead of using defaults):