diff --git a/swisssurfer/src/makefile.am b/swisssurfer/src/makefile.am
index 66b5fb1..c0b5ab5 100644
--- a/swisssurfer/src/makefile.am
+++ b/swisssurfer/src/makefile.am
@@ -69,7 +69,7 @@ maintainer-clean-local:
 install-exec-local:
 	( test -f @PACKAGENAME@ && cp @PACKAGENAME@ ${bindir}/ ) \
 	|| ( test -f @PACKAGENAME@.exe && cp @PACKAGENAME@.exe ${bindir}/ ) \
-	|| ( test -f @PACKAGENAME@.app && cp -r @PACKAGENAME@.app ${bindir}/ )
+	|| ( test -d @PACKAGENAME@.app && cp -r @PACKAGENAME@.app ${bindir}/ )
 
 uninstall-local:
 	-rm -rf ${bindir}/@PACKAGENAME@{,.exe,.app}