diff --git a/install.txt b/install.txt
index deca555993..f308ef12f8 100644
--- a/install.txt
+++ b/install.txt
@@ -17,7 +17,7 @@ works.
 
 Then run the following command::
 
-  sh build.sh
+  ./build.sh
 
 Unlike other software, Nim does not distribute its files over the whole file
 hierarchy. This has the advantage that you can deinstall it by just deleting