diff --git a/libsrc/geos/process/Makefile b/libsrc/geos/process/Makefile
index 47c195a65..4daa6581d 100644
--- a/libsrc/geos/process/Makefile
+++ b/libsrc/geos/process/Makefile
@@ -8,7 +8,7 @@
 	@$(AS) -o $@ $(AFLAGS) $<
 
 
-S_OBJS	= processinitrestartenable.o processblock.o processfreeze.o sleep.o
+S_OBJS	= processinitrestartenable.o processblock.o processfreeze.o processsleep.o
 
 all: $(S_OBJS)
 
diff --git a/libsrc/geos/process/processsleep.s b/libsrc/geos/process/processsleep.s
new file mode 100644
index 000000000..7edac2ff4
--- /dev/null
+++ b/libsrc/geos/process/processsleep.s
@@ -0,0 +1,20 @@
+
+;
+; Maciej 'YTM/Alliance' Witkowiak
+;
+; 30.10.99
+
+;
+; void Sleep (int jiffies);
+;
+
+	    .export _Sleep
+
+	    .include "../inc/jumptab.inc"
+	    .include "../inc/geossym.inc"
+
+_Sleep:
+	    
+	    sta r0L
+	    stx r0H
+	    jmp Sleep
\ No newline at end of file