diff --git a/src/lib/libc/scanf.c b/src/lib/libc/scanf.c
index b5b7591c..f28a2bbb 100644
--- a/src/lib/libc/scanf.c
+++ b/src/lib/libc/scanf.c
@@ -182,7 +182,7 @@ int scanf(const char * restrict fmt, ...)
 				}
 				case 'f':
 				{
-					char buff[50];
+					char *buff = (char *)malloc(sizeof(char) * 50);
 					gets(buff);
 					*(float *)va_arg(ap, float *) = (float)atof(buff);
 					count++;