diff --git a/CMakeLists.txt b/CMakeLists.txt
index c251a53..2c6cba7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -294,8 +294,8 @@ install(TARGETS
     ostdarkassist
     ostplanner
 #    osttemplate #don't install template ...
-    RUNTIME DESTINATION "usr/bin"
-    LIBRARY DESTINATION "usr/lib"
+    RUNTIME DESTINATION "/usr/bin"
+    LIBRARY DESTINATION "/usr/lib"
 )
 
 #get_cmake_property(_variableNames VARIABLES)