diff --git a/po/POTFILES.src.in b/po/POTFILES.src.in
index 434ebd1ae9b7694b025d9ab0a83320d189310f7f..113cc10a94d30a84a443c07f2688b9c15a0de291 100644
--- a/po/POTFILES.src.in
+++ b/po/POTFILES.src.in
@@ -91,6 +91,7 @@
 ../src/extension/internal/pdfinput/pdf-input.cpp
 ../src/extension/internal/pov-out.cpp
 ../src/extension/internal/svg.cpp
+../src/extension/internal/svg.h
 ../src/extension/internal/svgz.cpp
 ../src/extension/internal/vsd-input.cpp
 ../src/extension/internal/wmf-inout.cpp
diff --git a/src/extension/internal/svg.cpp b/src/extension/internal/svg.cpp
index 0a69887928f3982899bb078c747531a98104951c..caa090bb88e7c1281737bb0adcac88896f2e5737 100644
--- a/src/extension/internal/svg.cpp
+++ b/src/extension/internal/svg.cpp
@@ -727,19 +727,7 @@ Svg::init()
         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
             "<name>" N_("SVG Input") "</name>\n"
             "<id>" SP_MODULE_KEY_INPUT_SVG "</id>\n"
-            "<param name='import_mode_svg' type='optiongroup' gui-text='" N_("SVG Image Import Type:") "' >\n"
-                    "<option value='include' >" N_("Include SVG image as editable object(s) in the current file") "</option>\n"
-                    "<option value='embed' >" N_("Embed the SVG file in a image tag (not editable in this document)") "</option>\n"
-                    "<option value='link' >" N_("Link the SVG file in a image tag (not editable in this document).") "</option>\n"
-                  "</param>\n"
-            "<param name='svgdpi' type='float' precision='2' min='1' max='999999' gui-text='DPI for rendered SVG'>96.00</param>\n"
-            "<param name='scale' appearance='combo' type='optiongroup' gui-text='" N_("Image Rendering Mode:") "' gui-description='" N_("When an image is upscaled, apply smoothing or keep blocky (pixelated). (Will not work in all browsers.)") "' >\n"
-                    "<option value='auto' >" N_("None (auto)") "</option>\n"
-                    "<option value='optimizeQuality' >" N_("Smooth (optimizeQuality)") "</option>\n"
-                    "<option value='optimizeSpeed' >" N_("Blocky (optimizeSpeed)") "</option>\n"
-                  "</param>\n"
-
-            "<param name=\"do_not_ask\" gui-description='" N_("Hide the dialog next time and always apply the same actions.") "' gui-text=\"" N_("Don't ask again") "\" type=\"bool\" >false</param>\n"
+            SVG_COMMON_INPUT_PARAMS
             "<input>\n"
                 "<extension>.svg</extension>\n"
                 "<mimetype>image/svg+xml</mimetype>\n"
diff --git a/src/extension/internal/svg.h b/src/extension/internal/svg.h
index 1eb4f51e8d6cec66da1b0762c95efdace4c03408..a7adba43ba25071712164cf046eae50c2d10773d 100644
--- a/src/extension/internal/svg.h
+++ b/src/extension/internal/svg.h
@@ -18,6 +18,21 @@
 
 #include "../implementation/implementation.h"
 
+#define SVG_COMMON_INPUT_PARAMS \
+            "<param name='import_mode_svg' type='optiongroup' gui-text='" N_("SVG Image Import Type:") "' >\n" \
+                    "<option value='include' >" N_("Include SVG image as editable object(s) in the current file") "</option>\n" \
+                    "<option value='embed' >" N_("Embed the SVG file in a image tag (not editable in this document)") "</option>\n" \
+                    "<option value='link' >" N_("Link the SVG file in a image tag (not editable in this document).") "</option>\n" \
+                  "</param>\n" \
+            "<param name='svgdpi' type='float' precision='2' min='1' max='999999' gui-text='DPI for rendered SVG'>96.00</param>\n" \
+            "<param name='scale' appearance='combo' type='optiongroup' gui-text='" N_("Image Rendering Mode:") "' gui-description='" N_("When an image is upscaled, apply smoothing or keep blocky (pixelated). (Will not work in all browsers.)") "' >\n" \
+                    "<option value='auto' >" N_("None (auto)") "</option>\n" \
+                    "<option value='optimizeQuality' >" N_("Smooth (optimizeQuality)") "</option>\n" \
+                    "<option value='optimizeSpeed' >" N_("Blocky (optimizeSpeed)") "</option>\n" \
+                  "</param>\n" \
+            "<param name=\"do_not_ask\" gui-description='" N_("Hide the dialog next time and always apply the same actions.") "' gui-text=\"" N_("Don't ask again") "\" type=\"bool\" >false</param>\n"
+
+
 namespace Inkscape {
 namespace Extension {
 namespace Internal {
diff --git a/src/extension/internal/svgz.cpp b/src/extension/internal/svgz.cpp
index 18b6e5b026fe11863bc40b208542880da3587866..ea00f943b1b93582b9bb0cb06c7e46cd862efed8 100644
--- a/src/extension/internal/svgz.cpp
+++ b/src/extension/internal/svgz.cpp
@@ -44,6 +44,7 @@ Svgz::init()
             "<name>" N_("SVGZ Input") "</name>\n"
             "<id>" SP_MODULE_KEY_INPUT_SVGZ "</id>\n"
             "<dependency type=\"extension\">" SP_MODULE_KEY_INPUT_SVG "</dependency>\n"
+            SVG_COMMON_INPUT_PARAMS
             "<input>\n"
                 "<extension>.svgz</extension>\n"
                 "<mimetype>image/svg+xml-compressed</mimetype>\n"
diff --git a/testfiles/CMakeLists.txt b/testfiles/CMakeLists.txt
index 646505e083f6a7c45937267f24774ed043c00720..8a6825709e25d7a4d3dc0d49c9104eb90c47512f 100644
--- a/testfiles/CMakeLists.txt
+++ b/testfiles/CMakeLists.txt
@@ -15,6 +15,7 @@ include_directories("${CMAKE_SOURCE_DIR}/src/3rdparty/adaptagrams")
 
 set(TEST_SOURCES
 	uri-test
+	drag-and-drop-svgz
 	extract-uri-test
 	attributes-test
 	color-profile-test
diff --git a/testfiles/src/drag-and-drop-svgz.cpp b/testfiles/src/drag-and-drop-svgz.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..5ea7c0b0aaac86efbe59221474f6f479ccb3a818
--- /dev/null
+++ b/testfiles/src/drag-and-drop-svgz.cpp
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/**
+ * @file
+ * Test that svgz (= compressed SVG) import/drag-and-drop
+ * is working: https://gitlab.com/inkscape/inkscape/issues/906 .
+ *
+ */
+/*
+ * Authors:
+ *      Shlomi Fish
+ *
+ * Copyright (C) 2020 Authors
+ */
+
+#include "doc-per-case-test.h"
+#include <glibmm.h>
+
+#include "extension/db.h"
+#include "extension/find_extension_by_mime.h"
+#include "extension/internal/svgz.h"
+#include "path-prefix.h"
+#include "preferences.h"
+
+#include "gtest/gtest.h"
+
+
+class SvgzImportTest : public DocPerCaseTest {
+  public:
+    SvgzImportTest() {}
+    void TestBody()
+    {
+        ASSERT_TRUE(_doc != nullptr);
+        ASSERT_TRUE(_doc->getRoot() != nullptr);
+        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+        prefs->setBool("/dialogs/import/ask_svg", true);
+        prefs->setBool("/options/onimport", true);
+        auto ext = Inkscape::Extension::find_by_mime("image/svg+xml-compressed");
+        ext->set_gui(true);
+        auto fn = Glib::build_filename(INKSCAPE_EXAMPLESDIR, "tiger.svgz");
+        auto imod = dynamic_cast<Inkscape::Extension::Input *>(ext);
+        auto svg_mod = (new Inkscape::Extension::Internal::Svg);
+        ASSERT_TRUE(svg_mod->open(imod, fn.c_str()) != nullptr);
+    }
+    ~SvgzImportTest() override {}
+};
+
+TEST_F(SvgzImportTest, Eq)
+{
+    SvgzImportTest foo;
+    foo.TestBody();
+}
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :