diff --git a/package/prboom/prboom.mk b/package/prboom/prboom.mk
index 36692d29a3..c1ba05ff70 100644
--- a/package/prboom/prboom.mk
+++ b/package/prboom/prboom.mk
@@ -6,7 +6,7 @@
 
 PRBOOM_VERSION = 2.5.0
 PRBOOM_SITE = http://downloads.sourceforge.net/project/prboom/prboom%20stable/$(PRBOOM_VERSION)
-PRBOOM_CONF_ENV = ac_cv_type_uid_t=yes
+PRBOOM_CONF_ENV = ac_cv_type_gid_t=yes ac_cv_type_uid_t=yes
 PRBOOM_DEPENDENCIES = sdl sdl_net sdl_mixer
 PRBOOM_LICENSE = GPL-2.0+
 PRBOOM_LICENSE_FILES = COPYING