diff --git a/pkgs/build-support/build-fhs-chrootenv/env.nix b/pkgs/build-support/build-fhs-chrootenv/env.nix
index 8c45c9c9036..3a9d389c2c3 100644
--- a/pkgs/build-support/build-fhs-chrootenv/env.nix
+++ b/pkgs/build-support/build-fhs-chrootenv/env.nix
@@ -57,6 +57,7 @@ let
     export LOCALE_ARCHIVE='/usr/lib/locale/locale-archive'
     export LD_LIBRARY_PATH='/run/opengl-driver/lib:/run/opengl-driver-32/lib:/usr/lib:/usr/lib32'
     export PATH='/var/setuid-wrappers:/usr/bin:/usr/sbin'
+    export PKG_CONFIG_PATH=/usr/lib/pkgconfig
 
     # Force compilers to look in default search paths
     export NIX_CFLAGS_COMPILE='-idirafter /usr/include'