diff --git a/development/mysql-workbench/mysql-workbench.SlackBuild b/development/mysql-workbench/mysql-workbench.SlackBuild
index b2344f4ef3..b0d607b78f 100644
--- a/development/mysql-workbench/mysql-workbench.SlackBuild
+++ b/development/mysql-workbench/mysql-workbench.SlackBuild
@@ -74,6 +74,11 @@ find -L . \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
   -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
+# From Archlinux: GCC 7.x complains about an unsupported flag; it also
+# introduced some new warnings, remove '-Werror' for the build to complete
+sed -i 's|-Wno-deprecated-register||' ext/scintilla/gtk/CMakeLists.txt
+sed -i '/^set/s|-Werror -Wall|-Wall|' CMakeLists.txt
+
 # Patch from Ponce
 patch -p1 < $CWD/config_and_ifconfig_paths.patch