diff --git a/NPLib/configure b/NPLib/configure
index 4303bc168abe3de318f89a21543903bed67da25e..c5cc54e873644a7c14db159d144503ab25e05d8e 100755
--- a/NPLib/configure
+++ b/NPLib/configure
@@ -41,7 +41,7 @@ args="$@"
 ############################################################
 # First of all, define .core_libs and .detector_libs files #
 ############################################################
-corelibs="initialconditions interactioncoordinates ioroot physics tools vdetector"
+corelibs="initialconditions interactioncoordinates physics vdetector core"
 
 # core libraries list
 core_file=".core_libs"