diff --git a/doc/sequence_charts/Makefile.am b/doc/sequence_charts/Makefile.am
index c119458b8..f71d93476 100644
--- a/doc/sequence_charts/Makefile.am
+++ b/doc/sequence_charts/Makefile.am
@@ -15,7 +15,7 @@ msc: \
 	$(builddir)/mncc_call_fsm.png \
 	$(builddir)/inter_bsc_ho.png \
 	$(builddir)/inter_msc_ho.png \
-	$(builddir)/voice_call_full.png \
+	$(builddir)/voice_call_external_mncc.png \
 	$(builddir)/call_reestablishment.png \
 	$(NULL)
 
diff --git a/doc/sequence_charts/voice_call_full.msc b/doc/sequence_charts/voice_call_external_mncc.msc
similarity index 100%
rename from doc/sequence_charts/voice_call_full.msc
rename to doc/sequence_charts/voice_call_external_mncc.msc