diff --git a/src/buildings/doc/Makefile b/src/buildings/doc/Makefile
index dca8cf1b9..8de9b8fdd 100644
--- a/src/buildings/doc/Makefile
+++ b/src/buildings/doc/Makefile
@@ -1,8 +1,7 @@
 EPSTOPDF = epstopdf
 DIA = dia
-CONVERT = convert
-
-	$(SRC)/topology-read/doc/topology.rst \
+CONVERT = convert \
+	$(SRC)/topology-read/doc/topology.rst 
 
 SOURCE = source
 FIGURES = $(SOURCE)/figures