diff --git a/pkg/cmsis-dsp/Makefile b/pkg/cmsis-dsp/Makefile
index 635bd18a29..24b67fbcc5 100644
--- a/pkg/cmsis-dsp/Makefile
+++ b/pkg/cmsis-dsp/Makefile
@@ -22,6 +22,8 @@ CMSIS_DSP_MODULES =                \
 
 .PHONY: cmsis-dsp_%
 
+CFLAGS += -Wno-cast-align
+
 all: $(CMSIS_DSP_MODULES)
 
 cmsis-dsp_%:
diff --git a/pkg/cmsis-dsp/patches/0003-Inclue-arm_math.h-silence-Wcast-align.patch b/pkg/cmsis-dsp/patches/0003-Inclue-arm_math.h-silence-Wcast-align.patch
new file mode 100644
index 0000000000..16989a51e1
Binary files /dev/null and b/pkg/cmsis-dsp/patches/0003-Inclue-arm_math.h-silence-Wcast-align.patch differ