diff --git a/package/bash/bash.mk b/package/bash/bash.mk
index b162d93188..2182bede15 100644
--- a/package/bash/bash.mk
+++ b/package/bash/bash.mk
@@ -45,7 +45,7 @@ define BASH_INSTALL_TARGET_CMDS
 	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) \
 		DESTDIR=$(TARGET_DIR) exec_prefix=/ install
 	rm -f $(TARGET_DIR)/bin/bashbug
-	grep -qsE '^/bin/bash' $(TARGET_DIR)/etc/shells \
+	grep -qsE '^/bin/bash$$' $(TARGET_DIR)/etc/shells \
 		|| echo "/bin/bash" >> $(TARGET_DIR)/etc/shells
 endef