diff --git a/app/internal_procs.c b/app/internal_procs.c
index 2e51acff21..ed2294c016 100644
--- a/app/internal_procs.c
+++ b/app/internal_procs.c
@@ -428,4 +428,5 @@ internal_procs_init ()
   procedural_db_register (&procedural_db_proc_val_proc); pcount++;
   procedural_db_register (&procedural_db_get_data_proc); pcount++;
   procedural_db_register (&procedural_db_set_data_proc); pcount++;
+  procedural_db_register (&procedural_db_get_data_size_proc); pcount++;
 }
diff --git a/app/procedural_db.c b/app/procedural_db.c
index 1c66be4679..dde04ce0ed 100644
--- a/app/procedural_db.c
+++ b/app/procedural_db.c
@@ -361,7 +361,7 @@ ProcRecord procedural_db_get_data_size_proc =
   procedural_db_get_data_size_args,
 
   /*  Output arguments  */
-  2,
+  1,
   procedural_db_get_data_size_out_args,
 
   /*  Exec method  */
diff --git a/app/procedural_db.h b/app/procedural_db.h
index bf7b1fb574..bc9e3049fe 100644
--- a/app/procedural_db.h
+++ b/app/procedural_db.h
@@ -177,6 +177,7 @@ extern ProcRecord procedural_db_proc_arg_proc;
 extern ProcRecord procedural_db_proc_val_proc;
 extern ProcRecord procedural_db_get_data_proc;
 extern ProcRecord procedural_db_set_data_proc;
+extern ProcRecord procedural_db_get_data_size_proc;
 
 /*  Functions  */
 void          procedural_db_init         (void);
diff --git a/libgimp/gimpfeatures.h.in b/libgimp/gimpfeatures.h.in
index 1da7ee447f..84f176eae8 100644
--- a/libgimp/gimpfeatures.h.in
+++ b/libgimp/gimpfeatures.h.in
@@ -30,7 +30,7 @@ extern "C" {
 #define GIMP_MICRO_VERSION				(@GIMP_MICRO_VERSION@)
 #define GIMP_VERSION					"@GIMP_VERSION@"
 
-#define GIMP_HAVE_GET_DATA_SIZE				1-1-0
+#define GIMP_HAVE_PROCEDURAL_DB_GET_DATA_SIZE		1-1-0
 #define GIMP_HAVE_PARASITES				1-1-0
 #define GIMP_HAVE_RESOLUTION_INFO			1-1-0
 #define GIMP_HAVE_DESTROY_PARAMDEFS			1-1-0
diff --git a/libgimpbase/gimpversion.h.in b/libgimpbase/gimpversion.h.in
index 1da7ee447f..84f176eae8 100644
--- a/libgimpbase/gimpversion.h.in
+++ b/libgimpbase/gimpversion.h.in
@@ -30,7 +30,7 @@ extern "C" {
 #define GIMP_MICRO_VERSION				(@GIMP_MICRO_VERSION@)
 #define GIMP_VERSION					"@GIMP_VERSION@"
 
-#define GIMP_HAVE_GET_DATA_SIZE				1-1-0
+#define GIMP_HAVE_PROCEDURAL_DB_GET_DATA_SIZE		1-1-0
 #define GIMP_HAVE_PARASITES				1-1-0
 #define GIMP_HAVE_RESOLUTION_INFO			1-1-0
 #define GIMP_HAVE_DESTROY_PARAMDEFS			1-1-0