1 files changed, 1 insertions, 0 deletions

diff --git a/tools/rbspeex/Makefile b/tools/rbspeex/Makefile
index b33534695c..03f88f34cd 100644
--- a/tools/rbspeex/Makefile
+++ b/tools/rbspeex/Makefile
@@ -12,6 +12,7 @@ SILENT = @
 endif
 
 ifeq ($(OS),Windows_NT)
+SHELL = cmd.exe
 mkdir = if not exist $(subst /,\,$(1)) mkdir $(subst /,\,$(1))
 rm = if exist $(subst /,\,$(1)) del /q /s $(subst /,\,$(1))
 else