diff --git a/pkgs/development/libraries/libgcrypt/1.5.nix b/pkgs/development/libraries/libgcrypt/1.5.nix
index d77946e5ec37..4287c86dbd59 100644
--- a/pkgs/development/libraries/libgcrypt/1.5.nix
+++ b/pkgs/development/libraries/libgcrypt/1.5.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   postInstall = ''
     sed -i 's,#include <gpg-error.h>,#include "${libgpgerror.dev}/include/gpg-error.h",g' $out/include/gcrypt.h
   '' + stdenv.lib.optionalString enableCapabilities ''
-    sed -i 's,\(-lcap\),-L${libcap.out}/lib \1,' $out/lib/libgcrypt.la
+    sed -i 's,\(-lcap\),-L${libcap.lib}/lib \1,' $out/lib/libgcrypt.la
   '';
 
   doCheck = true;
diff --git a/pkgs/development/libraries/libgcrypt/default.nix b/pkgs/development/libraries/libgcrypt/default.nix
index d566a0e8567b..dd57e74e1566 100644
--- a/pkgs/development/libraries/libgcrypt/default.nix
+++ b/pkgs/development/libraries/libgcrypt/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   postFixup = ''
     sed -i 's,#include <gpg-error.h>,#include "${libgpgerror.dev}/include/gpg-error.h",g' "$dev/include/gcrypt.h"
   '' + stdenv.lib.optionalString enableCapabilities ''
-    sed -i 's,\(-lcap\),-L${libcap.out}/lib \1,' $out/lib/libgcrypt.la
+    sed -i 's,\(-lcap\),-L${libcap.lib}/lib \1,' $out/lib/libgcrypt.la
   '';
 
   # TODO: figure out why this is even necessary and why the missing dylib only crashes