diff --git a/configure.ac b/configure.ac
index 56e2b2f1bd..4a9a7fc5f8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2072,6 +2072,13 @@ if test x"$want_gss" = xyes; then
         ;;
     esac
   fi
+  if test -n "$gnu_gss"; then
+    LIBCURL_PC_REQUIRES_PRIVATE="$LIBCURL_PC_REQUIRES_PRIVATE gss"
+  elif test "x$not_mit" = "x1"; then
+    LIBCURL_PC_REQUIRES_PRIVATE="$LIBCURL_PC_REQUIRES_PRIVATE heimdal-gssapi"
+  else
+    LIBCURL_PC_REQUIRES_PRIVATE="$LIBCURL_PC_REQUIRES_PRIVATE mit-krb5-gssapi"
+  fi
 else
   CPPFLAGS="$save_CPPFLAGS"
 fi