diff --git a/src/app/Makefile.am b/src/app/Makefile.am
index 8babb28..0b26468 100644
--- a/src/app/Makefile.am
+++ b/src/app/Makefile.am
@@ -54,3 +54,5 @@ testvtabwidget_LDADD = \
 	$(LIB_TDEUTILS) $(LIB_TDEFILE) $(LIB_TDEUI) $(LIB_TDECORE) $(LIB_TDEPRINT) $(LIB_QT) \
 	$(LIBJPEG)
 testvtabwidget_LDFLAGS = $(all_libraries) $(LIB_QT)
+
+.NOTPARALLEL: