diff --git a/config.c b/config.c
index ef86f8d..29dccbf 100644
--- a/config.c
+++ b/config.c
@@ -248,14 +248,20 @@ config_load_default(zathura_t* zathura)
   girara_shortcut_add(gsession, 0,                GDK_KEY_minus,      NULL, sc_zoom,                     FULLSCREEN, ZOOM_OUT,        NULL);
   girara_shortcut_add(gsession, 0,                GDK_KEY_equal,      NULL, sc_zoom,                     NORMAL,     ZOOM_ORIGINAL,   NULL);
   girara_shortcut_add(gsession, 0,                GDK_KEY_equal,      NULL, sc_zoom,                     FULLSCREEN, ZOOM_ORIGINAL,   NULL);
+  girara_shortcut_add(gsession, 0,                0,                  "zi", sc_zoom,                     NORMAL,     ZOOM_IN,         NULL);
+  girara_shortcut_add(gsession, 0,                0,                  "zi", sc_zoom,                     FULLSCREEN, ZOOM_IN,         NULL);
   girara_shortcut_add(gsession, 0,                0,                  "zI", sc_zoom,                     NORMAL,     ZOOM_IN,         NULL);
   girara_shortcut_add(gsession, 0,                0,                  "zI", sc_zoom,                     FULLSCREEN, ZOOM_IN,         NULL);
+  girara_shortcut_add(gsession, 0,                0,                  "zo", sc_zoom,                     NORMAL,     ZOOM_OUT,        NULL);
+  girara_shortcut_add(gsession, 0,                0,                  "zo", sc_zoom,                     FULLSCREEN, ZOOM_OUT,        NULL);
   girara_shortcut_add(gsession, 0,                0,                  "zO", sc_zoom,                     NORMAL,     ZOOM_OUT,        NULL);
   girara_shortcut_add(gsession, 0,                0,                  "zO", sc_zoom,                     FULLSCREEN, ZOOM_OUT,        NULL);
   girara_shortcut_add(gsession, 0,                0,                  "z0", sc_zoom,                     NORMAL,     ZOOM_ORIGINAL,   NULL);
   girara_shortcut_add(gsession, 0,                0,                  "z0", sc_zoom,                     FULLSCREEN, ZOOM_ORIGINAL,   NULL);
-  girara_shortcut_add(gsession, 0,                GDK_KEY_equal,      NULL, sc_zoom,                     NORMAL,     ZOOM_SPECIFIC,   NULL);
-  girara_shortcut_add(gsession, 0,                GDK_KEY_equal,      NULL, sc_zoom,                     FULLSCREEN, ZOOM_SPECIFIC,   NULL);
+  girara_shortcut_add(gsession, 0,                0,                  "zz", sc_zoom,                     NORMAL,     ZOOM_SPECIFIC,   NULL);
+  girara_shortcut_add(gsession, 0,                0,                  "zz", sc_zoom,                     FULLSCREEN, ZOOM_SPECIFIC,   NULL);
+  girara_shortcut_add(gsession, 0,                0,                  "zZ", sc_zoom,                     NORMAL,     ZOOM_SPECIFIC,   NULL);
+  girara_shortcut_add(gsession, 0,                0,                  "zZ", sc_zoom,                     FULLSCREEN, ZOOM_SPECIFIC,   NULL);
 
   /* mouse events */
   girara_mouse_event_add(gsession, 0, 0,                                   sc_mouse_scroll, NORMAL,     GIRARA_EVENT_SCROLL_UP,      UP,   NULL);
diff --git a/shortcuts.c b/shortcuts.c
index 2e6dec2..67cf388 100644
--- a/shortcuts.c
+++ b/shortcuts.c
@@ -988,8 +988,8 @@ sc_zoom(girara_session_t* session, girara_argument_t* argument, girara_event_t*
   int value = 1;
   girara_setting_get(zathura->ui.session, "zoom-step", &value);
 
-  t = (t == 0) ? 1 : t;
-  float zoom_step = value / 100.0f * t;
+  int nt = (t == 0) ? 1 : t;
+  float zoom_step = value / 100.0f * nt;
   float old_zoom = zathura_document_get_scale(zathura->document);
 
   /* specify new zoom value */
@@ -998,9 +998,13 @@ sc_zoom(girara_session_t* session, girara_argument_t* argument, girara_event_t*
   } else if (argument->n == ZOOM_OUT) {
     zathura_document_set_scale(zathura->document, old_zoom - zoom_step);
   } else if (argument->n == ZOOM_SPECIFIC) {
-    zathura_document_set_scale(zathura->document, t / 100.0f);
+    if (t == 0) {
+      zathura_document_set_scale(zathura->document, 1.0f);
+    } else {
+      zathura_document_set_scale(zathura->document, t / 100.0f);
+    }
   } else {
-    zathura_document_set_scale(zathura->document, 1.0);
+    zathura_document_set_scale(zathura->document, 1.0f);
   }
 
   /* zoom limitations */