diff --git a/config/libc/newlib.in b/config/libc/newlib.in
index e9522783..ad92112a 100644
--- a/config/libc/newlib.in
+++ b/config/libc/newlib.in
@@ -16,7 +16,7 @@ choice
 # Don't remove next line
 # CT_INSERT_VERSION_BELOW
 
-config NEWLIB_V_1_17_0
+config LIBC_NEWLIB_V_1_17_0
     bool
     prompt "1.17.0"
 
@@ -26,7 +26,7 @@ config LIBC_VERSION
     string
 # Don't remove next line
 # CT_INSERT_VERSION_STRING_BELOW
-    default "1.17.0" if NEWLIB_V_1_17_0
+    default "1.17.0" if LIBC_NEWLIB_V_1_17_0
 
 config ATMEL_AVR32_HEADERS
     bool