diff --git a/pkg/cmsis-dsp/Makefile b/pkg/cmsis-dsp/Makefile
index 680618ab5e..635bd18a29 100644
--- a/pkg/cmsis-dsp/Makefile
+++ b/pkg/cmsis-dsp/Makefile
@@ -5,6 +5,9 @@ PKG_LICENSE=Apache-2.0
 
 include $(RIOTBASE)/pkg/pkg.mk
 
+# include makefiles utils tools
+include $(RIOTMAKE)/utils/strings.mk
+
 CMSIS_DSP_MODULES =                \
     cmsis-dsp_BasicMathFunctions   \
     cmsis-dsp_CommonTables         \
@@ -22,4 +25,4 @@ CMSIS_DSP_MODULES =                \
 all: $(CMSIS_DSP_MODULES)
 
 cmsis-dsp_%:
-	$(MAKE) -C $(PKG_SOURCE_DIR)/CMSIS/DSP/Source/$* -f $(CURDIR)/Makefile.cmsis-dsp MODULE=$@
+	$(MAKE) -C $(PKG_SOURCE_DIR)/CMSIS/DSP/Source/$* -f $(CURDIR)/Makefile.cmsis-dsp MODULE=$(call lowercase,$@)
diff --git a/pkg/cmsis-dsp/Makefile.dep b/pkg/cmsis-dsp/Makefile.dep
index 464f8ab837..60d7759293 100644
--- a/pkg/cmsis-dsp/Makefile.dep
+++ b/pkg/cmsis-dsp/Makefile.dep
@@ -1,10 +1,10 @@
-USEMODULE += cmsis-dsp_BasicMathFunctions
-USEMODULE += cmsis-dsp_CommonTables
-USEMODULE += cmsis-dsp_ComplexMathFunctions
-USEMODULE += cmsis-dsp_ControllerFunctions
-USEMODULE += cmsis-dsp_FastMathFunctions
-USEMODULE += cmsis-dsp_FilteringFunctions
-USEMODULE += cmsis-dsp_MatrixFunctions
-USEMODULE += cmsis-dsp_StatisticsFunctions
-USEMODULE += cmsis-dsp_SupportFunctions
-USEMODULE += cmsis-dsp_TransformFunctions
+USEMODULE += cmsis-dsp_basicmathfunctions
+USEMODULE += cmsis-dsp_commontables
+USEMODULE += cmsis-dsp_complexmathfunctions
+USEMODULE += cmsis-dsp_controllerfunctions
+USEMODULE += cmsis-dsp_fastmathfunctions
+USEMODULE += cmsis-dsp_filteringfunctions
+USEMODULE += cmsis-dsp_matrixfunctions
+USEMODULE += cmsis-dsp_statisticsfunctions
+USEMODULE += cmsis-dsp_supportfunctions
+USEMODULE += cmsis-dsp_transformfunctions