diff --git a/CMakeLists.txt b/CMakeLists.txt
index f473e41..255c82f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -107,7 +107,8 @@ if(ENABLE_POSTGRESQL)
 		include_directories(${PostgreSQL_INCLUDE_DIR})
 		set(POSTGRESQL_LIBRARY ${PostgreSQL_LIBRARIES})
 	else()
-		message(STATUS "PostgreSQL not found!")
+		message(STATUS "PostgreSQL not found.")
+		set(POSTGRESQL_LIBRARY "")
 	endif()
 endif(ENABLE_POSTGRESQL)