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-rw-r--r--src/Fl_Input.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Fl_Input.cxx b/src/Fl_Input.cxx
index 8a51d7e97..afd91e74c 100644
--- a/src/Fl_Input.cxx
+++ b/src/Fl_Input.cxx
@@ -317,7 +317,7 @@ int Fl_Input::handle_key() {
// initialize the list of legal characters inside a floating point number
#ifdef HAVE_LOCALECONV
if (!legal_fp_chars) {
- int len = strlen(standard_fp_chars);
+ size_t len = strlen(standard_fp_chars);
struct lconv *lc = localeconv();
if (lc) {
if (lc->decimal_point) len += strlen(lc->decimal_point);