diff --git a/plugins/input/pgraster/pgraster_datasource.cpp b/plugins/input/pgraster/pgraster_datasource.cpp
index e4fc32284..bbd95d412 100644
--- a/plugins/input/pgraster/pgraster_datasource.cpp
+++ b/plugins/input/pgraster/pgraster_datasource.cpp
@@ -624,12 +624,8 @@ std::string pgraster_datasource::sql_bbox(box2d<double> const& env) const
     b << "ST_MakeEnvelope(";
     b << std::setprecision(16);
     b << env.minx() << "," << env.miny() << ",";
-    b << env.maxx() << "," << env.maxy();
-    if (srid_ > 0)
-    {
-        b << ", " << srid_;
-    }
-    b << ")";
+    b << env.maxx() << "," << env.maxy() << ",";
+    b << srid_ << ")";
     return b.str();
 }
 
diff --git a/plugins/input/postgis/postgis_datasource.cpp b/plugins/input/postgis/postgis_datasource.cpp
index 24e5c51df..97d494f0d 100644
--- a/plugins/input/postgis/postgis_datasource.cpp
+++ b/plugins/input/postgis/postgis_datasource.cpp
@@ -516,12 +516,8 @@ std::string postgis_datasource::sql_bbox(box2d<double> const& env) const
     b << "ST_MakeEnvelope(";
     b << std::setprecision(16);
     b << env.minx() << "," << env.miny() << ",";
-    b << env.maxx() << "," << env.maxy();
-    if (srid_ > 0)
-    {
-        b << ", " << srid_;
-    }
-    b << ")";
+    b << env.maxx() << "," << env.maxy() << ",";
+    b << srid_ << ")";
     return b.str();
 }