diff --git a/libgimp/gimpprocbrowserdialog.c b/libgimp/gimpprocbrowserdialog.c
index e69888f336..12274fd32b 100644
--- a/libgimp/gimpprocbrowserdialog.c
+++ b/libgimp/gimpprocbrowserdialog.c
@@ -45,9 +45,10 @@
  **/
 
 
-#define DBL_LIST_WIDTH 250
-#define DBL_WIDTH      (DBL_LIST_WIDTH + 400)
-#define DBL_HEIGHT     250
+#define DBL_LIST_WIDTH  250
+#define DBL_LIST_HEIGHT 250
+#define DBL_WIDTH       650
+#define DBL_HEIGHT      400
 
 
 enum
@@ -144,8 +145,8 @@ gimp_proc_browser_dialog_init (GimpProcBrowserDialog *dialog)
   GtkTreeSelection *selection;
   GtkWidget        *parent;
 
-  gtk_window_set_default_size (GTK_WINDOW (dialog), DBL_WIDTH,
-                               DBL_WIDTH - DBL_LIST_WIDTH);
+  gtk_window_set_default_size (GTK_WINDOW (dialog),
+                               DBL_WIDTH, DBL_HEIGHT);
 
   dialog->browser = gimp_browser_new ();
   gimp_browser_add_search_types (GIMP_BROWSER (dialog->browser),
@@ -195,7 +196,7 @@ gimp_proc_browser_dialog_init (GimpProcBrowserDialog *dialog)
                     G_CALLBACK (browser_row_activated),
                     dialog);
 
-  gtk_widget_set_size_request (dialog->tree_view, DBL_LIST_WIDTH, DBL_HEIGHT);
+  gtk_widget_set_size_request (dialog->tree_view, DBL_LIST_WIDTH, DBL_LIST_HEIGHT);
   gtk_container_add (GTK_CONTAINER (scrolled_window), dialog->tree_view);
   gtk_widget_show (dialog->tree_view);
 
diff --git a/plug-ins/common/plugin-browser.c b/plug-ins/common/plugin-browser.c
index 75a60d480c..fa90bed7a0 100644
--- a/plug-ins/common/plugin-browser.c
+++ b/plug-ins/common/plugin-browser.c
@@ -37,8 +37,9 @@
 #define PLUG_IN_BINARY  "plugin-browser"
 #define PLUG_IN_ROLE    "gimp-plugin-browser"
 #define DBL_LIST_WIDTH  250
-#define DBL_WIDTH       (DBL_LIST_WIDTH + 400)
-#define DBL_HEIGHT      250
+#define DBL_LIST_HEIGHT 250
+#define DBL_WIDTH       650
+#define DBL_HEIGHT      400
 
 
 enum
@@ -562,8 +563,8 @@ browser_dialog_new (void)
                                      _("_Close"), GTK_RESPONSE_CLOSE,
 
                                      NULL);
-  gtk_window_set_default_size (GTK_WINDOW (browser->dialog), DBL_WIDTH,
-                               DBL_WIDTH - DBL_LIST_WIDTH);
+  gtk_window_set_default_size (GTK_WINDOW (browser->dialog),
+                               DBL_WIDTH, DBL_HEIGHT);
 
   g_signal_connect (browser->dialog, "response",
                     G_CALLBACK (browser_dialog_response),
@@ -641,7 +642,7 @@ browser_dialog_new (void)
   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
                                   GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 
-  gtk_widget_set_size_request (list_view, DBL_LIST_WIDTH, DBL_HEIGHT);
+  gtk_widget_set_size_request (list_view, DBL_LIST_WIDTH, DBL_LIST_HEIGHT);
 
   selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (list_view));
   gtk_tree_selection_set_mode (selection, GTK_SELECTION_BROWSE);
@@ -703,7 +704,7 @@ browser_dialog_new (void)
                                        GTK_SHADOW_IN);
   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
                                   GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
-  gtk_widget_set_size_request (tree_view, DBL_LIST_WIDTH, DBL_HEIGHT);
+  gtk_widget_set_size_request (tree_view, DBL_LIST_WIDTH, DBL_LIST_HEIGHT);
 
   selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
   gtk_tree_selection_set_mode (selection, GTK_SELECTION_BROWSE);