diff --git a/build.zig b/build.zig
index 5227e9895..ba3e4f553 100644
--- a/build.zig
+++ b/build.zig
@@ -179,7 +179,9 @@ pub fn build(b: *std.Build) !void {
     else version: {
         const vsn = Version.detect(b) catch |err| switch (err) {
             // If Git isn't available we just make an unknown dev version.
-            error.GitNotFound => break :version .{
+            error.GitNotFound,
+            error.GitNotRepository,
+            => break :version .{
                 .major = app_version.major,
                 .minor = app_version.minor,
                 .patch = app_version.patch,
diff --git a/src/build/Version.zig b/src/build/Version.zig
index df6585a8e..bfa9af821 100644
--- a/src/build/Version.zig
+++ b/src/build/Version.zig
@@ -25,6 +25,7 @@ pub fn detect(b: *std.Build) !Version {
         .Ignore,
     ) catch |err| switch (err) {
         error.FileNotFound => return error.GitNotFound,
+        error.ExitCodeFailure => return error.GitNotRepository,
         else => return err,
     };