diff --git a/src/lib/hysteresis/CMakeLists.txt b/src/lib/hysteresis/CMakeLists.txt
index 957d07f283..1943cdc1aa 100644
--- a/src/lib/hysteresis/CMakeLists.txt
+++ b/src/lib/hysteresis/CMakeLists.txt
@@ -33,4 +33,4 @@
 
 px4_add_library(hysteresis hysteresis.cpp)
 
-px4_add_gtest(SRC hysteresis_test.cpp LINKLIBS hysteresis)
+px4_add_gtest(SRC HysteresisTest.cpp LINKLIBS hysteresis)
diff --git a/src/lib/hysteresis/hysteresis_test.cpp b/src/lib/hysteresis/HysteresisTest.cpp
similarity index 100%
rename from src/lib/hysteresis/hysteresis_test.cpp
rename to src/lib/hysteresis/HysteresisTest.cpp