diff --git a/Makefile.dep b/Makefile.dep
index 43e358b99de29..d636d644682bb 100644
--- a/Makefile.dep
+++ b/Makefile.dep
@@ -46,13 +46,6 @@ ifneq (,$(filter libfixmath-unittests,$(USEMODULE)))
   USEMODULE += libfixmath
 endif
 
-ifneq (,$(filter random,$(USEMODULE)))
-  # select default prng if no prng is selected
-  ifeq (,$(filter prng_%,$(USEMODULE)))
-    USEMODULE += prng_musl_lcg
-  endif
-endif
-
 ifneq (,$(filter spiffs,$(USEMODULE)))
   USEPKG += spiffs
   USEMODULE += vfs
diff --git a/makefiles/defaultmodules_deps.inc.mk b/makefiles/defaultmodules_deps.inc.mk
index 6d2f01fcd40a4..5a975f6e67f80 100644
--- a/makefiles/defaultmodules_deps.inc.mk
+++ b/makefiles/defaultmodules_deps.inc.mk
@@ -22,6 +22,13 @@ ifneq (,$(filter auto_init_libcose_crypt,$(USEMODULE)))
   USEMODULE += libcose_crypt_init
 endif
 
+ifneq (,$(filter random,$(USEMODULE)))
+  # select default prng if no prng is selected
+  ifeq (,$(filter prng_%,$(USEMODULE)))
+    USEMODULE += prng_musl_lcg
+  endif
+endif
+
 ifneq (,$(filter xtimer,$(USEMODULE)))
   ifeq (,$(filter ztimer_xtimer_compat,$(USEMODULE)))
     USEMODULE += div