diff --git a/nixos/modules/installer/tools/nixos-rebuild.sh b/nixos/modules/installer/tools/nixos-rebuild.sh
index 6b747bc1a2be..d655210c90ee 100644
--- a/nixos/modules/installer/tools/nixos-rebuild.sh
+++ b/nixos/modules/installer/tools/nixos-rebuild.sh
@@ -109,8 +109,8 @@ fi
 # more conservative.
 if [ "$action" != dry-run -a -n "$buildNix" ]; then
     echo "building Nix..." >&2
-    if ! nix-build '<nixos>' -A config.environment.nix -o $tmpDir/nix "${extraBuildFlags[@]}" > /dev/null; then
-        if ! nix-build '<nixos>' -A nixFallback -o $tmpDir/nix "${extraBuildFlags[@]}" > /dev/null; then
+    if ! nix-build '<nixpkgs/nixos>' -A config.environment.nix -o $tmpDir/nix "${extraBuildFlags[@]}" > /dev/null; then
+        if ! nix-build '<nixpkgs/nixos>' -A nixFallback -o $tmpDir/nix "${extraBuildFlags[@]}" > /dev/null; then
             nix-build '<nixpkgs>' -A nixUnstable -o $tmpDir/nix "${extraBuildFlags[@]}" > /dev/null
         fi
     fi
@@ -139,16 +139,16 @@ fi
 if [ -z "$rollback" ]; then
     echo "building the system configuration..." >&2
     if [ "$action" = switch -o "$action" = boot ]; then
-        nix-env "${extraBuildFlags[@]}" -p "$profile" -f '<nixos>' --set -A system
+        nix-env "${extraBuildFlags[@]}" -p "$profile" -f '<nixpkgs/nixos>' --set -A system
         pathToConfig="$profile"
     elif [ "$action" = test -o "$action" = build -o "$action" = dry-run ]; then
-        nix-build '<nixos>' -A system -K -k "${extraBuildFlags[@]}" > /dev/null
+        nix-build '<nixpkgs/nixos>' -A system -K -k "${extraBuildFlags[@]}" > /dev/null
         pathToConfig=./result
     elif [ "$action" = build-vm ]; then
-        nix-build '<nixos>' -A vm -K -k "${extraBuildFlags[@]}" > /dev/null
+        nix-build '<nixpkgs/nixos>' -A vm -K -k "${extraBuildFlags[@]}" > /dev/null
         pathToConfig=./result
     elif [ "$action" = build-vm-with-bootloader ]; then
-        nix-build '<nixos>' -A vmWithBootLoader -K -k "${extraBuildFlags[@]}" > /dev/null
+        nix-build '<nixpkgs/nixos>' -A vmWithBootLoader -K -k "${extraBuildFlags[@]}" > /dev/null
         pathToConfig=./result
     else
         showSyntax