diff --git a/fbterm/Makefile b/fbterm/Makefile
index 1d26bbf..2dde3dd 100644
--- a/fbterm/Makefile
+++ b/fbterm/Makefile
@@ -46,7 +46,7 @@ endef
 
 define Package/fbterm/postinst
 #! /bin/sh
-mkdir $${IPKG_INSTROOT}/root && cp $${IPKG_INSTROOT}/usr/share/fbterm/fbtermrc $${IPKG_INSTROOT}/root/.fbtermrc
+mkdir -p $${IPKG_INSTROOT}/root && cp $${IPKG_INSTROOT}/usr/share/fbterm/fbtermrc $${IPKG_INSTROOT}/root/.fbtermrc
 endef
 
 $(eval $(call BuildPackage,fbterm))
diff --git a/lingot/Makefile b/lingot/Makefile
index 9b0c8f4..11986a4 100644
--- a/lingot/Makefile
+++ b/lingot/Makefile
@@ -42,7 +42,7 @@ endef
 
 define Package/lingot/postinst
 #!/bin/sh
-mkdir $${IPKG_INSTROOT}/root/.lingot && cp $${IPKG_INSTROOT}/usr/share/lingot/lingot.conf $${IPKG_INSTROOT}/root/.lingot/lingot.conf
+mkdir -p $${IPKG_INSTROOT}/root/.lingot && cp $${IPKG_INSTROOT}/usr/share/lingot/lingot.conf $${IPKG_INSTROOT}/root/.lingot/lingot.conf
 endef
 
 $(eval $(call BuildPackage,lingot))
diff --git a/nightsky/Makefile b/nightsky/Makefile
index 0dad0e5..0fd9bf0 100644
--- a/nightsky/Makefile
+++ b/nightsky/Makefile
@@ -56,7 +56,7 @@ endef
 
 define Package/nightsky/postinst
 #! /bin/sh
-mkdir $${IPKG_INSTROOT}/root && cp $${IPKG_INSTROOT}/usr/share/nightsky/example-nightsky.yml $${IPKG_INSTROOT}/root/.nightsky.yml
+mkdir -p $${IPKG_INSTROOT}/root && cp $${IPKG_INSTROOT}/usr/share/nightsky/example-nightsky.yml $${IPKG_INSTROOT}/root/.nightsky.yml
 endef
 
 $(eval $(call BuildPackage,nightsky))