diff --git a/Makefile b/Makefile
index 3a9e7e341..87d9f7c12 100644
--- a/Makefile
+++ b/Makefile
@@ -15,6 +15,9 @@ GOFLAGS   :=
 BINDIR    := $(CURDIR)/bin
 BINARIES  := helm tiller
 
+# Required for globs to work correctly
+SHELL=/bin/bash
+
 .PHONY: all
 all: build