diff --git a/pkgs/development/compilers/llvm/5/llvm.nix b/pkgs/development/compilers/llvm/5/llvm.nix
index 68eebc33c6b..4b24e6dad72 100644
--- a/pkgs/development/compilers/llvm/5/llvm.nix
+++ b/pkgs/development/compilers/llvm/5/llvm.nix
@@ -12,7 +12,7 @@
 , libcxxabi
 , debugVersion ? false
 , enableManpages ? false
-, enableSharedLibraries ? true
+, enableSharedLibraries ? !enableManpages
 }:
 
 let