diff --git a/tests/libc_newlib/Makefile b/tests/libc_newlib/Makefile
index f21f0761d6..67295f4b81 100644
--- a/tests/libc_newlib/Makefile
+++ b/tests/libc_newlib/Makefile
@@ -2,6 +2,8 @@ include ../Makefile.tests_common
 
 USEMODULE += embunit
 
+FEATURES_BLACKLIST += arch_esp32
+
 include $(RIOTBASE)/Makefile.include
 
 # Compile time tests