diff --git a/libc/src/scanf.cpp b/libc/src/scanf.cpp
index 1a7d3f72..777096e1 100644
--- a/libc/src/scanf.cpp
+++ b/libc/src/scanf.cpp
@@ -72,7 +72,11 @@ extern "C"
             else
             {
                 format++;
-                if (*format == '%') goto normal;
+                if (*format == '%')
+                {
+                    str += strspn(str, " \t\f\r\n\v");
+                    goto normal;
+                }
 
                 int flags = parse_flags(&format);
                 size_t width = parse_width(&format, flags);