diff --git a/home-manager/home-manager b/home-manager/home-manager
index 1c6246811..380a2fa0a 100644
--- a/home-manager/home-manager
+++ b/home-manager/home-manager
@@ -18,8 +18,17 @@ function doBuild() {
 
     local confFile output
     confFile="$(realpath "$1")"
+
+    if [[ $? -ne 0 ]]; then
+        exit 1
+    fi
+
     output="$(realpath "$2")"
 
+    if [[ $? -ne 0 ]]; then
+        exit 1
+    fi
+
     nix-build --show-trace \
               "@HOME_MANAGER_EXPR_PATH@" \
               --argstr modulesPath "@MODULES_PATH@" \