diff --git a/src/main/java/dk/camelot64/kickc/test/ref/sinus-sprites.log b/src/main/java/dk/camelot64/kickc/test/ref/sinus-sprites.log
index ece6ab377..862a4cad3 100644
--- a/src/main/java/dk/camelot64/kickc/test/ref/sinus-sprites.log
+++ b/src/main/java/dk/camelot64/kickc/test/ref/sinus-sprites.log
@@ -72,8 +72,7 @@ void progress_init(byte* line) {
 void progress_inc() {
     // Progress characters
     const byte[] progress_chars = { $20, $65, $74, $75, $61, $f6, $e7, $ea, $e0};
-    progress_idx++;
-    if(progress_idx==8) {
+    if(++progress_idx==8) {
         *progress_cursor = progress_chars[8];
         progress_cursor++;
         progress_idx = 0;
diff --git a/src/main/java/dk/camelot64/kickc/test/sinus-sprites.kc b/src/main/java/dk/camelot64/kickc/test/sinus-sprites.kc
index e7dd94a9c..de88159cc 100644
--- a/src/main/java/dk/camelot64/kickc/test/sinus-sprites.kc
+++ b/src/main/java/dk/camelot64/kickc/test/sinus-sprites.kc
@@ -72,8 +72,7 @@ void progress_init(byte* line) {
 void progress_inc() {
     // Progress characters
     const byte[] progress_chars = { $20, $65, $74, $75, $61, $f6, $e7, $ea, $e0};
-    progress_idx++;
-    if(progress_idx==8) {
+    if(++progress_idx==8) {
         *progress_cursor = progress_chars[8];
         progress_cursor++;
         progress_idx = 0;