diff --git a/libsrc/geos-common/disk/Makefile b/libsrc/geos-common/disk/Makefile
index a6288012d..ffb5175ea 100644
--- a/libsrc/geos-common/disk/Makefile
+++ b/libsrc/geos-common/disk/Makefile
@@ -16,5 +16,4 @@ S_OBJS +=	blkalloc.o		\
 		opendisk.o		\
 		putblock.o		\
 		putdirhead.o		\
-		setnextfree.o		\
-		setoserror.o
+		setnextfree.o
\ No newline at end of file
diff --git a/libsrc/geos-common/system/Makefile b/libsrc/geos-common/system/Makefile
index 6d8a22eed..01efd9656 100644
--- a/libsrc/geos-common/system/Makefile
+++ b/libsrc/geos-common/system/Makefile
@@ -20,4 +20,5 @@ S_OBJS  +=      callroutine.o		\
 		oserrlist.o		\
 		panic.o			\
 		randomize.o		\
+		setoserror.o		\
 		sysuname.o
diff --git a/libsrc/geos-common/disk/setoserror.s b/libsrc/geos-common/system/setoserror.s
similarity index 100%
rename from libsrc/geos-common/disk/setoserror.s
rename to libsrc/geos-common/system/setoserror.s