diff --git a/gtk3-bgo764174-boo973416-no-undersize.patch b/gtk3-bgo764174-boo973416-no-undersize.patch
new file mode 100644
index 0000000..c8e4e23
--- /dev/null
+++ b/gtk3-bgo764174-boo973416-no-undersize.patch
@@ -0,0 +1,28 @@
+@@ -, +, @@ 
+ required
+ gtk/gtkwindow.c | 10 ++++++----
+ 1 file changed, 6 insertions(+), 4 deletions(-)
+--- a/gtk/gtkwindow.c	
++++ a/gtk/gtkwindow.c	
+@@ -10036,14 +10036,16 @@ gtk_window_update_fixed_size (GtkWindow   *window,
+ 
+       if (info->default_width > -1)
+         {
+-          new_geometry->min_width = MAX (default_width_csd, new_width);
+-          new_geometry->max_width = new_geometry->min_width;
++          gint w = MAX (MAX (default_width_csd, new_width), new_geometry->min_width);
++          new_geometry->min_width = w;
++          new_geometry->max_width = w;
+         }
+ 
+       if (info->default_height > -1)
+         {
+-          new_geometry->min_height = MAX (default_height_csd, new_height);
+-          new_geometry->max_height = new_geometry->min_height;
++          gint h = MAX (MAX (default_height_csd, new_height), new_geometry->min_height);
++          new_geometry->min_height = h;
++          new_geometry->max_height = h;
+         }
+     }
+ }
+
diff --git a/gtk3.changes b/gtk3.changes
index abc9cd3..21c2b25 100644
--- a/gtk3.changes
+++ b/gtk3.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Apr  1 08:30:39 UTC 2016 - egeorget@openmailbox.org
+
+- Add "gtk3-bgo764174-boo973416-no-undersize.patch":
+  + Bug fixed : bgo#764174, boo#973416.
+
 -------------------------------------------------------------------
 Thu Mar 31 09:09:21 UTC 2016 - zaitor@opensuse.org
 
diff --git a/gtk3.spec b/gtk3.spec
index aec426f..ac24fe1 100644
--- a/gtk3.spec
+++ b/gtk3.spec
@@ -47,6 +47,7 @@ Patch1:         gtk3-path-local.patch
 ## PATCH-DISABLED gtk3-bnc130159-bgo319483-async-font-selection.patch - Upstream bug was closed as obsolete in 2011, lets see if anyone complains. 
 # PATCH-FIX-UPSTREAM gtk3-bnc130159-bgo319483-async-font-selection.patch bnc130159 bgo319483 federico@novell.com - Load fonts asynchronously in GtkFontSelection to make it appear faster for CJK languages
 Patch3:         gtk3-bnc130159-bgo319483-async-font-selection.patch
+Patch4:         gtk3-bgo764174-boo973416-no-undersize.patch
 BuildRequires:  cups-devel >= 1.2
 BuildRequires:  docbook-xsl-stylesheets
 BuildRequires:  fdupes
@@ -339,6 +340,7 @@ cp -a %{S:1} .
 %patch1 -p0
 ## PATCH-DISABLED - Upstream bug was closed as obsolete in 2011, as there was a new fontchooser, lets disable the patch and see if anyone complains.
 #%%patch3 -p1
+%patch4 -p1
 
 %build
 # Needed for patch1