diff --git a/RTABMapConfig.cmake.in b/RTABMapConfig.cmake.in
index 1ff2e84b..c7e13298 100644
--- a/RTABMapConfig.cmake.in
+++ b/RTABMapConfig.cmake.in
@@ -47,11 +47,11 @@ ENDIF()
 set(RTABMap_LIBRARIES ${RTABMap_CORE} ${RTABMap_UTILITE})
 
 list(LENGTH RTABMap_FIND_COMPONENTS RTABMap_FIND_COMPONENTS_LENGTH)
-set(WITH_GUI OFF)
+set(WITH_GUI ON)
 if(${RTABMap_FIND_COMPONENTS_LENGTH} GREATER 0)
    list (FIND RTABMap_FIND_COMPONENTS "gui" _index)
-   if (${_index} GREATER -1)
-      set(WITH_GUI ON)
+   if (${_index} EQUAL -1)
+      set(WITH_GUI OFF)
    endif()
 endif(${RTABMap_FIND_COMPONENTS_LENGTH} GREATER 0)