diff --git a/Rsconscript b/Rsconscript
index 3c48ef5..aa30c0a 100644
--- a/Rsconscript
+++ b/Rsconscript
@@ -11,6 +11,7 @@ configure do
   check_c_compiler
   check_program "mformat", on_fail: "Install the mtools package"
   check_program "parted"
+  check_program "pkg-config"
   check_cfg package: "freetype2", on_fail: "Install libfreetype-dev", use: "freetype"
   sh %w[git submodule update --init]
 end