diff --git a/libsrc/geos/system/get_ostype.s b/libsrc/geos/system/get_ostype.s
index a68bdfe0b..30c0cc6b6 100644
--- a/libsrc/geos/system/get_ostype.s
+++ b/libsrc/geos/system/get_ostype.s
@@ -9,7 +9,7 @@
 
 	    .export _get_ostype
 	    .export _get_tv
-	    .import tmp1
+	    .importzp tmp1
 
 	    .include "../inc/geossym.inc"
 	    .include "../inc/geossym2.inc"