diff --git a/bam.lua b/bam.lua
index 47fdaca..2060260 100644
--- a/bam.lua
+++ b/bam.lua
@@ -74,7 +74,7 @@ end
 --                            --
 --------------------------------
 
-local settings = global_settings
+local settings = TableDeepCopy(global_settings)
 
 settings.cc.includes:Add("include/")
 settings.cc.includes:Add("source/")
@@ -219,7 +219,7 @@ local libspectre = StaticLibrary(settings,
 --                            --
 --------------------------------
 
-local example_settings = global_settings
+local example_settings = TableDeepCopy(global_settings)
 
 -- Include spectre headers.
 example_settings.cc.includes:Add("include/")