diff --git a/Makefile b/Makefile
index 32143d8..ddc4138 100644
--- a/Makefile
+++ b/Makefile
@@ -21,6 +21,7 @@ endif
 
 SHELL ?= /bin/sh
 DEBUG ?= $(shell echo $$SHELL)
+SHELL ?= /bin/sh
 CONTAINER_RUNTIME ?= $(shell type -P $(CONTAINER_RUNTIMES) | head -n 1)
 $(info DEBUG is $(DEBUG))
 $(info OS is $(OS))