diff --git a/srcpkgs/gnome-builder/patches/musl-wordsize.patch b/srcpkgs/gnome-builder/patches/musl-wordsize.patch
new file mode 100644
index 00000000000..cd1129c0a5b
--- /dev/null
+++ b/srcpkgs/gnome-builder/patches/musl-wordsize.patch
@@ -0,0 +1,38 @@
+--- src/plugins/sysprof/gbp-sysprof-plugin.c	2018-03-14 03:10:22.000000000 +0100
++++ src/plugins/sysprof/gbp-sysprof-plugin.c	2018-04-10 15:20:46.416250960 +0200
+@@ -16,6 +16,10 @@
+  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  */
+ 
++#if !defined(__GLIBC__)
++#include <bits/reg.h>	/* for __WORDSIZE */
++#endif
++
+ #include <libpeas/peas.h>
+ #include <ide.h>
+ #include <sysprof.h>
+--- src/plugins/sysprof/gbp-sysprof-perspective.c	2018-03-14 03:10:22.000000000 +0100
++++ src/plugins/sysprof/gbp-sysprof-perspective.c	2018-04-10 15:12:49.793279369 +0200
+@@ -17,6 +17,9 @@
+  */
+ 
+ #define G_LOG_DOMAIN "gbp-sysprof-perspective"
++#if !defined(__GLIBC__)
++#include <bits/reg.h>	/* for __WORDSIZE */
++#endif
+ 
+ #include <glib/gi18n.h>
+ #include <sysprof.h>
+--- src/plugins/sysprof/gbp-sysprof-workbench-addin.c	2018-03-14 03:10:22.000000000 +0100
++++ src/plugins/sysprof/gbp-sysprof-workbench-addin.c	2018-04-10 15:19:28.473255605 +0200
+@@ -16,6 +16,10 @@
+  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  */
+ 
++#if !defined(__GLIBC__)
++#include <bits/reg.h>	/* for __WORDSIZE */
++#endif
++
+ #include <glib/gi18n.h>
+ #include <sysprof.h>
+ 
diff --git a/srcpkgs/gnome-builder/template b/srcpkgs/gnome-builder/template
index 9b8fe5e33b9..9640fbe1ee4 100644
--- a/srcpkgs/gnome-builder/template
+++ b/srcpkgs/gnome-builder/template
@@ -19,12 +19,5 @@ checksum=71b7527a4297b5e4986754f5563cb9afc777bc8a890b90145c05ac93f2d6a9f8
 case "$XBPS_TARGET_MACHINE" in
 	*-musl) makedepends+=" libexecinfo-devel"
 		LIBS+=" -lexecinfo"
-		case "$XBPS_TARGET_MACHINE" in
-			aarch64*|x86_64*)
-				CXXFLAGS+=" -D__WORDSIZE=64"
-				;;
-			*)	CXXFLAGS+=" -D__WORDSIZE=32"
-				;;
-		esac
 		;;
 esac