diff --git a/stdio-common/vfscanf.c b/stdio-common/vfscanf.c
index 0731c5656e..1d9fd3e174 100644
--- a/stdio-common/vfscanf.c
+++ b/stdio-common/vfscanf.c
@@ -1576,6 +1576,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
 	case L_('e'):	/* Floating-point numbers.  */
 	case L_('E'):
 	case L_('f'):
+	case L_('F'):
 	case L_('g'):
 	case L_('G'):
 	case L_('a'):