diff --git a/cmake/FindRT.cmake b/cmake/FindRT.cmake
index db7c4de..dd765da 100644
--- a/cmake/FindRT.cmake
+++ b/cmake/FindRT.cmake
@@ -25,7 +25,7 @@ find_library(RT_LIBRARIES NAMES rt
 
 include(FindPackageHandleStandardArgs)
 
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(rt DEFAULT_MSG RT_LIBRARIES RT_INCLUDE_DIR)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(RT DEFAULT_MSG RT_LIBRARIES RT_INCLUDE_DIR)
 
 mark_as_advanced(RT_INCLUDE_DIR RT_LIBRARIES)