diff --git a/common/Kconfig b/common/Kconfig
index ed472a0..462c104 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -161,6 +161,7 @@
 config GLOBALVAR
 	bool "global environment variables support"
 	default y if !SHELL_NONE
+	select FNMATCH
 	help
 	  Global environment variables begin with "global.". Unlike normal
 	  shell variables they have the same values in all contexts. Global