diff --git a/org.bridgedb.gui/src/org/bridgedb/gui/PgdbParameterModel.java b/org.bridgedb.gui/src/org/bridgedb/gui/PgdbParameterModel.java
index 42efa6101..0a4b7e1b1 100644
--- a/org.bridgedb.gui/src/org/bridgedb/gui/PgdbParameterModel.java
+++ b/org.bridgedb.gui/src/org/bridgedb/gui/PgdbParameterModel.java
@@ -30,7 +30,7 @@ public PgdbParameterModel()
 	@Override
 	public String getConnectionString()
 	{
-		return "idmapper-pgdb:" + getFile(0).getAbsolutePath();
+		return "idmapper-pgdb:" + getFile(0).toURI().toString();
 	}
 
 	@Override