diff --git a/sql/bin/dot_add_content b/sql/bin/dot_add_content
index e0f507b3..fc24e38e 100755
--- a/sql/bin/dot_add_content
+++ b/sql/bin/dot_add_content
@@ -1,12 +1,15 @@
 #!/bin/bash
 
 DOT_FILE="$1"
 DOT_EXTRA="$2"
 if [ -z "$DOT_FILE" -o -z "$DOT_EXTRA" ] ; then
     echo "Usage: $0 DOT_FILE DOT_EXTRA"
     exit 1
 fi
 
+schema_version=$(grep -i -A 1 '^insert into dbversion' swh-schema.sql | tail -n 1 \
+	      | sed -e 's/.*values(//i' -e 's/,.*//')
+
 head -n -1 "$DOT_FILE"  # all of $DOT_FILE but last line
-cat "$DOT_EXTRA"
+sed "s/@@VERSION@@/$schema_version/" "$DOT_EXTRA"
 echo "}"
diff --git a/sql/clusters.dot b/sql/clusters.dot
index 739ddc18..5580f9d0 100644
--- a/sql/clusters.dot
+++ b/sql/clusters.dot
@@ -1,81 +1,81 @@
 
 subgraph "logical_grouping" {
 	style = rounded;
 	bgcolor = gray95;
 	color = gray;
 	
 	subgraph cluster_meta {
-		label = <<b>meta</b>>;
+		label = <<b>meta</b><br /> version: @@VERSION@@>;
 		dbversion;
 	}
 
 	subgraph cluster_content {
 		label = <<b>content</b>>;
 		content;
 		skipped_content;
 	}
 
 	subgraph cluster_directory {
 		label = <<b>directories</b>>;
 		directory;
 		directory_entry_dir;
 		directory_entry_file;
 		directory_entry_rev;
 	}
 
 	subgraph cluster_revision {
 		label = <<b>revisions</b>>;
 		revision;
 		revision_history;
 		person;
 	}
 
 	subgraph cluster_release {
 		label = <<b>releases</b>>;
 		release;
 	}
 
 	subgraph cluster_occurrences {
 		label = <<b>occurrences</b>>;
 		occurrence;
 		occurrence_history;
 	}
 
 	subgraph cluster_origins {
 		label = <<b>origins</b>>;
 		origin;
 		fetch_history;
 	}
 
 	subgraph cluster_projects {
 		label = <<b>projects</b>>;
 		project;
 		project_history;
 	}
 
 	subgraph cluster_organization {
 		label = <<b>organizations</b>>;
 		organization;
 		list_history;
 	}
 
 	{
 		edge [style = dashed];
 
 		# "rtcolN" identifies the N-th row in a table, as a source
 		# "ltcolN" identifies the N-th row in a table, as a destination
 		"directory_entry_dir":rtcol2 -> "directory":ltcol1;
 		"directory_entry_file":rtcol2 -> "content":ltcol2;
 		"directory_entry_file":rtcol2 -> "skipped_content":ltcol2;
 		"directory_entry_rev":rtcol2 -> "revision":ltcol1;
 		"directory":rtcol2 -> "directory_entry_dir":ltcol1;
 		"directory":rtcol3 -> "directory_entry_file":ltcol1;
 		"directory":rtcol4 -> "directory_entry_rev":ltcol1;
 		"occurrence":rtcol3 -> "revision":ltcol1;
 		"occurrence_history":rtcol3 -> "revision":ltcol1;
 		"release":rtcol2 -> "revision":ltcol1;
 		"revision":rtcol7 -> "directory":ltcol1;
 		"revision_history":rtcol2 -> "revision":ltcol1;
 	}
 
 }