diff --git a/ports/ncurses/build.sh b/ports/ncurses/build.sh
index 801be96c..e0265c75 100755
--- a/ports/ncurses/build.sh
+++ b/ports/ncurses/build.sh
@@ -23,6 +23,6 @@ post_install() {
 
 	ln -sv libncursesw.so "$DESTDIR/usr/lib/libncurses.so"
 
-	shellrc="$BANAN_SYSROOT/home/user/.shellrc"
-	grep -q 'export NCURSES_NO_UTF8_ACS=' "$shellrc" || echo 'export NCURSES_NO_UTF8_ACS=1' >> "$shellrc"
+	mkdir -p "$DESTDIR/etc/profile.d"
+	echo 'export NCURSES_NO_UTF8_ACS=1' > "$DESTDIR/etc/profile.d/ncurses.sh"
 }
diff --git a/ports/vim/build.sh b/ports/vim/build.sh
index 3d1e31f5..b0c6f65b 100755
--- a/ports/vim/build.sh
+++ b/ports/vim/build.sh
@@ -17,6 +17,6 @@ CONFIGURE_OPTIONS=(
 )
 
 post_install() {
-	shellrc="$BANAN_SYSROOT/home/user/.shellrc"
-	grep -q 'export EDITOR=' "$shellrc" || echo 'export EDITOR=vim' >> "$shellrc"
+	mkdir -p "$DESTDIR/etc/profile.d"
+	echo 'export EDITOR=vim' > "$DESTDIR/etc/profile.d/vim.sh"
 }
diff --git a/ports/xbanan/build.sh b/ports/xbanan/build.sh
index 8c60068e..0f47fa5a 100755
--- a/ports/xbanan/build.sh
+++ b/ports/xbanan/build.sh
@@ -28,6 +28,6 @@ install() {
 }
 
 post_install() {
-	shellrc="$BANAN_SYSROOT/home/user/.shellrc"
-	grep -q 'export DISPLAY=' "$shellrc" || echo 'export DISPLAY=:69' >> "$shellrc"
+	mkdir -p "$DESTDIR/etc/profile.d"
+	echo 'export DISPLAY=:69' > "$DESTDIR/etc/profile.d/xbanan.sh"
 }