diff --git a/gpu/CMakeLists.txt b/gpu/CMakeLists.txt
index 6a25a3b..28e74f2 100644
--- a/gpu/CMakeLists.txt
+++ b/gpu/CMakeLists.txt
@@ -68,7 +68,7 @@ set(headers
 )
 
 set(sources
-    "openGJK_GPU.cu"
+    "opengjk_gpu.cu"
 )
 
 list(SORT headers)