diff --git a/libsrc/atari/Makefile b/libsrc/atari/Makefile
index 9b1549f33..afc4e7c9c 100644
--- a/libsrc/atari/Makefile
+++ b/libsrc/atari/Makefile
@@ -50,6 +50,7 @@ OBJS =	_scrsize.o   \
 	oserrlist.o  \
 	oserror.o    \
 	ostype.o     \
+	randomize.o  \
 	read.o 	     \
 	readjoy.o    \
 	remove.o     \
diff --git a/libsrc/atari/randomize.s b/libsrc/atari/randomize.s
new file mode 100644
index 000000000..067bcc151
--- /dev/null
+++ b/libsrc/atari/randomize.s
@@ -0,0 +1,17 @@
+;
+; Christian Groessler, 06.11.2002
+;
+; void _randomize (void);
+; /* Initialize the random number generator */
+;
+
+	.export		__randomize
+	.import		_srand
+
+	.include	"atari.inc"
+
+__randomize:		  
+	ldx	VCOUNT		; Use vertical line counter as high byte
+	lda	RTCLOK+2	; Use clock as low byte
+	jmp	_srand		; Initialize generator
+