diff --git a/pkg/cmsis-dsp/Makefile b/pkg/cmsis-dsp/Makefile
index 2442a1362c6127824899eb717708fa4593565573..c4df0911e308a28e7d6d57ad4eebc0b931fd04d5 100644
--- a/pkg/cmsis-dsp/Makefile
+++ b/pkg/cmsis-dsp/Makefile
@@ -3,9 +3,7 @@ PKG_URL=https://github.com/gebart/CMSIS-DSP.git
 PKG_VERSION=v1.4.5a-riot2
 PKG_LICENSE=BSD-3-Clause
 
-ifneq ($(RIOTBASE),)
-include $(RIOTBASE)/Makefile.base
-endif
+CFLAGS += -Wno-strict-aliasing
 
 .PHONY: all