diff --git a/pkg/qDSA/Makefile.dep b/pkg/qDSA/Makefile.dep
index ac5d9e8312..325ac6eecf 100644
--- a/pkg/qDSA/Makefile.dep
+++ b/pkg/qDSA/Makefile.dep
@@ -1,4 +1,4 @@
-ifneq (,$(filter cortex-m0%,$(CPU_ARCH)))
+ifneq (,$(filter cortex-m23 cortex-m0%,$(CPU_ARCH)))
   USEMODULE += qDSA_asm
 endif
 
diff --git a/pkg/qDSA/Makefile.include b/pkg/qDSA/Makefile.include
index 6d399ef6c2..693af41c0b 100644
--- a/pkg/qDSA/Makefile.include
+++ b/pkg/qDSA/Makefile.include
@@ -1,4 +1,4 @@
-ifneq (,$(filter cortex-m0%,$(CPU_ARCH)))
+ifneq (,$(filter cortex-m23 cortex-m0%,$(CPU_ARCH)))
   QDSA_IMPL ?= arm
 else
 ifneq (,$(filter atmega_common,$(USEMODULE)))