diff --git a/configs/bambino-200e/netnsh/Make.defs b/configs/bambino-200e/netnsh/Make.defs
index bb92b3cfed..a2b9de3544 100644
--- a/configs/bambino-200e/netnsh/Make.defs
+++ b/configs/bambino-200e/netnsh/Make.defs
@@ -125,7 +125,7 @@ LDNXFLATFLAGS = -e main -s 2048
 ASMEXT = .S
 OBJEXT = .o
 LIBEXT = .a
-EXEEXT =
+EXEEXT = .elf
 
 ifneq ($(CROSSDEV),arm-nuttx-elf-)
   LDFLAGS += -nostartfiles -nodefaultlibs
diff --git a/configs/bambino-200e/nsh/Make.defs b/configs/bambino-200e/nsh/Make.defs
index 105969c6b1..844a7015af 100644
--- a/configs/bambino-200e/nsh/Make.defs
+++ b/configs/bambino-200e/nsh/Make.defs
@@ -115,7 +115,7 @@ LDNXFLATFLAGS = -e main -s 2048
 ASMEXT = .S
 OBJEXT = .o
 LIBEXT = .a
-EXEEXT =
+EXEEXT = .elf
 
 ifneq ($(CROSSDEV),arm-nuttx-elf-)
   LDFLAGS += -nostartfiles -nodefaultlibs