diff --git a/src/rp2_common/pico_clib_interface/picolibc_interface.c b/src/rp2_common/pico_clib_interface/picolibc_interface.c
index 8f7770ab8..728e93a56 100644
--- a/src/rp2_common/pico_clib_interface/picolibc_interface.c
+++ b/src/rp2_common/pico_clib_interface/picolibc_interface.c
@@ -39,8 +39,9 @@ static int picolibc_putc(char c, __unused FILE *file) {
 static int picolibc_getc(__unused FILE *file) {
 #if LIB_PICO_STDIO
     return stdio_getchar();
-#endif
+#else
     return -1;
+#endif
 }
 
 static int picolibc_flush(__unused FILE *file) {