diff --git a/src/ClusterFile.test.cpp b/src/ClusterFile.test.cpp
index 03d66da..f688c3d 100644
--- a/src/ClusterFile.test.cpp
+++ b/src/ClusterFile.test.cpp
@@ -11,7 +11,7 @@ using aare::ClusterFile;
 using aare::ClusterVector;
 
 
-TEST_CASE("Read one frame from a a cluster file", "[.files]") {
+TEST_CASE("Read one frame from a cluster file", "[.files]") {
     //We know that the frame has 97 clusters
     auto fpath = test_data_path() / "clust" / "single_frame_97_clustrers.clust";
     REQUIRE(std::filesystem::exists(fpath));