diff --git a/src/api/error.rs b/src/api/error.rs
index bc63ee5..32be25f 100644
--- a/src/api/error.rs
+++ b/src/api/error.rs
@@ -61,7 +61,7 @@ impl From<AppError> for ServerFnError {
     }
 }
 
-#[cfg(test)]
+#[cfg(all(test, feature = "server"))]
 mod tests {
     use super::*;