diff --git a/pkg/qDSA/Makefile.dep b/pkg/qDSA/Makefile.dep
index 997fb291c2..ac5d9e8312 100644
--- a/pkg/qDSA/Makefile.dep
+++ b/pkg/qDSA/Makefile.dep
@@ -1,3 +1,7 @@
-ifneq (,$(filter atmega_common cortexm_common,$(USEMODULE)))
+ifneq (,$(filter cortex-m0%,$(CPU_ARCH)))
+  USEMODULE += qDSA_asm
+endif
+
+ifneq (,$(filter atmega_common,$(USEMODULE)))
   USEMODULE += qDSA_asm
 endif
diff --git a/pkg/qDSA/Makefile.include b/pkg/qDSA/Makefile.include
index db13eeb18f..d7ac128477 100644
--- a/pkg/qDSA/Makefile.include
+++ b/pkg/qDSA/Makefile.include
@@ -1,4 +1,4 @@
-ifneq (,$(filter cortexm_common,$(USEMODULE)))
+ifneq (,$(filter cortex-m0%,$(CPU_ARCH)))
   QDSA_IMPL ?= arm
 else
 ifneq (,$(filter atmega_common,$(USEMODULE)))