diff --git a/CMakeLists.txt b/CMakeLists.txt
index 26497336e7e23d718b99cd12f0a3d867cc85ee40..9527b997620c3a3afdce3289fdcd13f781463275 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -301,7 +301,7 @@ add_subdirectory(Src)
 # Link with scalfmm lib
 set(scalfmm_lib scalfmm)
 
-if( ScalFMM_BUILD_ONLY_LIB ) 
+if( NOT ScalFMM_BUILD_ONLY_LIB ) 
 # Build - Examples and drivers
 add_subdirectory(Examples)
 endif()