diff --git a/CMakeLists.txt b/CMakeLists.txt
index 23a3225a8a..20bfbe2179 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -212,6 +212,9 @@ elseif (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
     set(CPACK_RPM_PACKAGE_LICENSE "BSD")
 endif ()
 
+# Ignore the build directory
+set(CPACK_SOURCE_IGNORE_FILES ${CMAKE_BINARY_DIR})
+
 include(CPack)
 
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