diff --git a/CMakeLists.txt b/CMakeLists.txt
index f1a1184cb..f70493063 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -101,7 +101,7 @@ INCLUDE(${QT_USE_FILE})
 # check for libsndfile
 PKG_CHECK_MODULES(SNDFILE REQUIRED sndfile>=1.0.11)
 IF(NOT SNDFILE_FOUND)
-	MESSAGE(FATAL_ERROR "LMMS requires libsndfile1 and libsndfile1-dev >= 1.0.11 - please install and try again!")
+	MESSAGE(FATAL_ERROR "LMMS requires libsndfile1 and libsndfile1-dev >= 1.0.11 - please install, remove CMakeCache.txt and try again!")
 ENDIF(NOT SNDFILE_FOUND)
 
 IF(WANT_CAPS)