diff --git a/SConscript b/SConscript
index 40f4964..915d3e3 100644
--- a/SConscript
+++ b/SConscript
@@ -401,6 +401,9 @@ if not config.get('CXX_STANDARD'):
 if not config.get('PREPROCESSOR_PREFIX'):
     config['PREPROCESSOR_PREFIX'] = config['PROJECT_NAME'].upper() # TODO: may be nicer?
 
+if 'COMPILATIONDB_FILTER_FILES' not in config:
+    config['COMPILATIONDB_FILTER_FILES'] = True
+
 AddOption(
     '--build_type',
     dest = 'build_type',
@@ -496,7 +499,8 @@ vars.Add('CFLAGS', 'C Compiler Flags')
 vars.Add('CXXFLAGS', 'C++ Compiler Flags')
 vars.Add('LINKFLAGS', 'Linker Flags')
 vars.Add('PYTHON', 'Python Executable', 'python')
-vars.Add('COMPILATIONDB_FILTER_FILES', 'Removes source files from the compilation DB that are not from the current project.', True)
+vars.Add('COMPILATIONDB_FILTER_FILES', 'Removes source files from the compilation DB that are not from the current'
+                                       ' project.', config['COMPILATIONDB_FILTER_FILES'])
 
 tools = ['default', 'compilation_db', 'unity_build']
 if 'TOOLS' in config: