diff --git a/src/gfile/gfile_printg.c b/src/gfile/gfile_printg.c
index 33db8bc8..d11bb24d 100644
--- a/src/gfile/gfile_printg.c
+++ b/src/gfile/gfile_printg.c
@@ -90,7 +90,7 @@ int vfnprintg(GFILE *f, int maxlen, const char *fmt, va_list arg) {
 			fmt++;
 			left_align = TRUE;
 		}
-		if (*fmt == '.') {
+		if (*fmt == '0') {
 			fmt++;
 			filler = '0';
 		}
diff --git a/src/gwin/gwin_console.c b/src/gwin/gwin_console.c
index 4c17034d..11359626 100644
--- a/src/gwin/gwin_console.c
+++ b/src/gwin/gwin_console.c
@@ -684,7 +684,7 @@ void gwinPrintf(GHandle gh, const char *fmt, ...) {
 			left_align = TRUE;
 		}
 		filler = ' ';
-		if (*fmt == '.') {
+		if (*fmt == '0') {
 			fmt++;
 			filler = '0';
 		}