diff --git a/pkg.in/lists/education/highschool b/pkg.in/lists/education/highschool
index 80814440..5b3ca181 100644
--- a/pkg.in/lists/education/highschool
+++ b/pkg.in/lists/education/highschool
@@ -1,19 +1,19 @@
 kumir2
 scratch-full
-lazarus
+lazarus@X86
 codeblocks
 geany
 geany-plugins
 geany-themes
 kde5-profile
 kde5-kolourpaint
-synfigstudio
-openscad
+synfigstudio@X86
+openscad@X86
 freecad
 dia
 qcad
 trikStudio
 kde5-marble
 wxMaxima
-scilab
+scilab@X86
 bluefish
diff --git a/pkg.in/lists/education/secondary_vocational b/pkg.in/lists/education/secondary_vocational
index f5f0af8d..7fd7ba31 100644
--- a/pkg.in/lists/education/secondary_vocational
+++ b/pkg.in/lists/education/secondary_vocational
@@ -1,5 +1,5 @@
 codeblocks
-lazarus
+lazarus@X86
 freecad
 qcad
 wxMaxima
diff --git a/pkg.in/lists/education/server-apps-edu b/pkg.in/lists/education/server-apps-edu
index 602fe3dd..05917e86 100644
--- a/pkg.in/lists/education/server-apps-edu
+++ b/pkg.in/lists/education/server-apps-edu
@@ -16,7 +16,7 @@ mariadb-client
 
 # Utilities
 nano
-lsb
+lsb@X86
 apt-rsync
 apt-repo
 installer-feature-symlinks-from-sbin
diff --git a/pkg.in/lists/education/university b/pkg.in/lists/education/university
index ab1b4222..4e58d899 100644
--- a/pkg.in/lists/education/university
+++ b/pkg.in/lists/education/university
@@ -1,5 +1,5 @@
 codeblocks
-lazarus
+lazarus@X86
 qt-creator
 qt-creator-doc
 cmake
@@ -8,13 +8,14 @@ qt5-base-devel
 # Eclipse
 gambas-full@X86
 swi-prolog
-monodevelop
+monodevelop@X86
 # Texmacs
 wxMaxima
 octave
 freecad
 qcad
-openscad
+openscad@X86
+openscad@aarch64
 projectlibre
 qgis
 qgis-grass