diff --git a/boards/arm/tiva/eagle100/scripts/Make.defs b/boards/arm/tiva/eagle100/scripts/Make.defs
index d822872523a..5fa4e9b974a 100644
--- a/boards/arm/tiva/eagle100/scripts/Make.defs
+++ b/boards/arm/tiva/eagle100/scripts/Make.defs
@@ -83,6 +83,9 @@ CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
 CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS)
 AFLAGS = $(CFLAGS) -D__ASSEMBLY__
 
+MKNXFLAT = mknxflat
+LDNXFLAT = ldnxflat
+
 NXFLATLDFLAGS1 = -r -d -warn-common
 NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld -no-check-sections
 LDNXFLATFLAGS = -e main -s 2048