diff --git a/srcpkgs/libcap-pam/patches/gperf-3.1.patch b/srcpkgs/libcap-pam/patches/gperf-3.1.patch
new file mode 100644
index 00000000000..3084948d5d6
--- /dev/null
+++ b/srcpkgs/libcap-pam/patches/gperf-3.1.patch
@@ -0,0 +1,11 @@
+--- libcap/Makefile.orig
++++ libcap/Makefile
+@@ -41,7 +41,7 @@
+ 	./_makenames > cap_names.h
+ 
+ $(GPERF_OUTPUT): cap_names.list.h
+-	perl -e 'print "struct __cap_token_s { const char *name; int index; };\n%{\nconst struct __cap_token_s *__cap_lookup_name(const char *, unsigned int);\n%}\n%%\n"; while ($$l = <>) { $$l =~ s/[\{\"]//g; $$l =~ s/\}.*// ; print $$l; }' < $< | gperf --ignore-case --language=ANSI-C --readonly --null-strings --global-table --hash-function-name=__cap_hash_name --lookup-function-name="__cap_lookup_name" -c -t -m20 $(INDENT) > $@
++	perl -e 'print "struct __cap_token_s { const char *name; int index; };\n%%\n"; while ($$l = <>) { $$l =~ s/[\{\"]//g; $$l =~ s/\}.*// ; print $$l; }' < $< | gperf --ignore-case --language=ANSI-C --readonly --includes --null-strings --global-table --hash-function-name=__cap_hash_name --lookup-function-name="__cap_lookup_name" -c -t -m20 $(INDENT) > $@
+ 
+ cap_names.list.h: Makefile $(KERNEL_HEADERS)/linux/capability.h
+ 	@echo "=> making $@ from $(KERNEL_HEADERS)/linux/capability.h"
diff --git a/srcpkgs/libcap-pam/template b/srcpkgs/libcap-pam/template
index 2689a27ffdd..16b963c667a 100644
--- a/srcpkgs/libcap-pam/template
+++ b/srcpkgs/libcap-pam/template
@@ -1,7 +1,7 @@
 # Template file for 'libcap-pam'
 pkgname=libcap-pam
 version=2.25
-revision=1
+revision=2
 wrksrc="libcap-${version}"
 hostmakedepends="gperf perl pam-devel"
 makedepends="pam-devel attr-devel"