diff --git a/src/Makefile b/src/Makefile
index ec5ba8168..4b21a62f2 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -770,7 +770,7 @@ stock-stamp:
 
 stock128-stamp:
 	@echo "#define DATE_STR \"`date +%Y-%m-%d`\"" > stamp-open9x-stock128.txt
-	@echo "#define TIME_STR \"`date +%H:%M:%S`\"" >> stamp-open9x-stock28.txt
+	@echo "#define TIME_STR \"`date +%H:%M:%S`\"" >> stamp-open9x-stock128.txt
 	@echo "#define SVN_VERS \"open9x-r$(SVNREV)\"" >> stamp-open9x-stock128.txt
 	@cat stamp-open9x-stock128.txt