diff --git a/OTBConfig.cmake.in b/OTBConfig.cmake.in
index feda9d6bd410754db2c02b6a25857528d282ad1f..d92f8db4d0f7983bc9e37fea572bb34be71d3ca3 100644
--- a/OTBConfig.cmake.in
+++ b/OTBConfig.cmake.in
@@ -138,7 +138,7 @@ SET(OTB_USE_PATENTED "@OTB_USE_PATENTED@")
 
 #LibLAS support
 SET(OTB_USE_LIBLAS "@OTB_USE_LIBLAS@")
-SET(OTB_USE_EXTERNAL_LIBLAS "@OTB_USE_LIBLAS@")
+SET(OTB_USE_EXTERNAL_LIBLAS "@OTB_USE_EXTERNAL_LIBLAS@")
 
 #Mapnik support
 SET(OTB_USE_MAPNIK "@OTB_USE_MAPNIK@")