diff --git a/docs/building.md b/docs/building.md
index 2ea1c449..23c6e3f9 100644
--- a/docs/building.md
+++ b/docs/building.md
@@ -25,7 +25,7 @@ Building debug build:
  -DCMAKE_BUILD_TYPE=DEBUG
 
 Using clang instead of gcc:
- -DCMAKE_C_COMPILER=/usr/bin/clang -DCMAKE_CXX_COMPILER=/usr/bin/clang
+ -DCMAKE_C_COMPILER=/usr/bin/clang -DCMAKE_CXX_COMPILER=/usr/bin/clang++
 
 Building with an older version of swig (swig 2.0+) requires the disabling of javascript:
  -DBUILDSWIGNODE=OFF