diff --git a/src/shogun/CMakeLists.txt b/src/shogun/CMakeLists.txt
index d0d9405a09c..6bc1a47662a 100644
--- a/src/shogun/CMakeLists.txt
+++ b/src/shogun/CMakeLists.txt
@@ -46,13 +46,13 @@ IF (LICENSE_GPL_SHOGUN)
 
             SET(USE_GPL_SHOGUN 1)
         ELSE()
-            MESSAGE(FATAL_ERROR "Shogun can only be built with GPL codes if the source files are in ${SHOGUN_GPL_INCLUDE_DIR}. Please download or disable.\n")
+            MESSAGE(FATAL_ERROR "Shogun can only be built with GPL codes if the source files are in ${SHOGUN_GPL_INCLUDE_DIR}. Please download or disable with LICENSE_GPL_SHOGUN=OFF.\n")
         ENDIF()
 ENDIF()
 
 OPTION(USE_SVMLIGHT "SVMLight" ON)
 IF(USE_SVMLIGHT AND NOT USE_GPL_SHOGUN)
-	MESSAGE(FATAL_ERROR "Can only use SVMLight when GPL codes are included")
+    MESSAGE(FATAL_ERROR "Can only use SVMLight when GPL codes are included. Disable by USE_SVMLIGHT=OFF")
 ENDIF()
 
 # add target to compile the libshogun sources