diff --git a/srcpkgs/gsimplecal-gtk2/patches/musl.patch b/srcpkgs/gsimplecal-gtk2/patches/musl.patch
new file mode 100644
index 0000000000..2295d20b33
--- /dev/null
+++ b/srcpkgs/gsimplecal-gtk2/patches/musl.patch
@@ -0,0 +1,19 @@
+--- src/Unique.cpp.orig	2016-04-24 08:08:43.921536576 +0200
++++ src/Unique.cpp	2016-04-24 08:09:18.615896283 +0200
+@@ -1,10 +1,16 @@
++#ifdef HAVE_CONFIG_H
++#include "config.h"
++#endif
++
+ #include <stdlib.h>
+ #include <unistd.h>
+ #include <string.h>
+ #include <limits.h>
+ #include <signal.h>
+ #include <sys/sem.h>
++#ifdef HAVE_SYSCTL_H
+ #include <sys/sysctl.h>
++#endif
+ #include <sys/types.h>
+ 
+ #include "Unique.hpp"
diff --git a/srcpkgs/gsimplecal-gtk2/template b/srcpkgs/gsimplecal-gtk2/template
index 8ea49fa086..f3c413783d 100644
--- a/srcpkgs/gsimplecal-gtk2/template
+++ b/srcpkgs/gsimplecal-gtk2/template
@@ -1,13 +1,13 @@
 # Template file for 'gsimplecal-gtk2'
 pkgname=gsimplecal-gtk2
 version=2.1
-revision=1
+revision=2
 wrksrc="${pkgname%-*}-${version}"
 build_style=gnu-configure
 configure_args="--enable-gtk2"
 makedepends="gtk+-devel"
 hostmakedepends="automake pkg-config"
-conflicts="gsimplecal-gtk3>=0"
+replaces="gsimplecal-gtk3>=0"
 short_desc="Simple and lightweight GTK calendar"
 maintainer="Jarbowski <jarbowski@gmail.com>"
 license="BSD"
diff --git a/srcpkgs/gsimplecal-gtk3/patches b/srcpkgs/gsimplecal-gtk3/patches
new file mode 120000
index 0000000000..7ee8024d19
--- /dev/null
+++ b/srcpkgs/gsimplecal-gtk3/patches
@@ -0,0 +1 @@
+../gsimplecal-gtk2/patches
\ No newline at end of file
diff --git a/srcpkgs/gsimplecal-gtk3/template b/srcpkgs/gsimplecal-gtk3/template
index e569c13a0a..bba5e88c5d 100644
--- a/srcpkgs/gsimplecal-gtk3/template
+++ b/srcpkgs/gsimplecal-gtk3/template
@@ -1,12 +1,12 @@
 # Template file for 'gsimplecal-gtk3'
 pkgname=gsimplecal-gtk3
 version=2.1
-revision=1
+revision=2
 wrksrc="${pkgname%-*}-${version}"
 build_style=gnu-configure
 makedepends="gtk+3-devel"
 hostmakedepends="automake pkg-config"
-conflicts="gsimplecal-gtk2>=0"
+replaces="gsimplecal-gtk2>=0"
 short_desc="Simple and lightweight GTK calendar"
 maintainer="Jarbowski <jarbowski@gmail.com>"
 license="BSD"