diff --git a/pkg/fatfs/Makefile.include b/pkg/fatfs/Makefile.include
index 2b71833cd49ec8acd5cfcdbbdef607e0ed2f9e2c..6579d73d0ea08f3834444d5784a1ca2870c0a924 100644
--- a/pkg/fatfs/Makefile.include
+++ b/pkg/fatfs/Makefile.include
@@ -13,5 +13,5 @@ ifneq (,$(filter fatfs_diskio_sdcard_spi,$(USEMODULE)))
 endif
 
 ifeq ($(shell uname -s),Darwin)
-    CFLAGS += -Wno-empty-body
+  CFLAGS += -Wno-empty-body
 endif
diff --git a/pkg/oonf_api/Makefile.include b/pkg/oonf_api/Makefile.include
index 236f801eb16bc8f9113fee377424f9b12946c02b..ec6be727f0efa21ffcc695aec22f297241fee30f 100644
--- a/pkg/oonf_api/Makefile.include
+++ b/pkg/oonf_api/Makefile.include
@@ -1,5 +1,5 @@
 INCLUDES += -I$(PKGDIRBASE)/oonf_api/src-api
 
 ifeq ($(TOOLCHAIN), llvm)
-    CFLAGS += -Wno-keyword-macro -Wno-parentheses-equality
+  CFLAGS += -Wno-keyword-macro -Wno-parentheses-equality
 endif
diff --git a/pkg/tinydtls/Makefile.include b/pkg/tinydtls/Makefile.include
index fa5e757b7444cc337765828a4c5c77ab393863a6..0553673033876f9afb0f65584f562db53b576a4e 100644
--- a/pkg/tinydtls/Makefile.include
+++ b/pkg/tinydtls/Makefile.include
@@ -3,7 +3,7 @@ PKG_BUILDDIR ?= $(PKGDIRBASE)/tinydtls
 INCLUDES += -I$(PKG_BUILDDIR)
 
 ifeq ($(TOOLCHAIN), llvm)
-    CFLAGS += -Wno-gnu-zero-variadic-macro-arguments -Wno-unused-function
+  CFLAGS += -Wno-gnu-zero-variadic-macro-arguments -Wno-unused-function
 endif
 
 ifneq (,$(filter tinydtls_aes,$(USEMODULE)))