diff --git a/src/grc65/main.c b/src/grc65/main.c
index ac654300d..adce3dc47 100644
--- a/src/grc65/main.c
+++ b/src/grc65/main.c
@@ -851,10 +851,9 @@ static char *filterInput (FILE *F, char *tbl)
     int a, prevchar = -1, i = 0, bracket = 0, quote = 1;
 
     a = getc(F);
-    while (1)
-    {
+    while (1) {
         if (i >= BLOODY_BIG_BUFFER) {
-            AbEnd ("File too large for internal parsing buffer (%d bytes).",BLOODY_BIG_BUFFER);
+            AbEnd ("File too large for internal parsing buffer (%d bytes)",BLOODY_BIG_BUFFER);
         }
         if ((a == '\n') || (a == '\015')) a = ' ';
         if (a == ',' && quote) a = ' ';