diff --git a/apps/common/main/lib/component/BaseView.js b/apps/common/main/lib/component/BaseView.js
index dfe578cf2..ae093ef5e 100644
--- a/apps/common/main/lib/component/BaseView.js
+++ b/apps/common/main/lib/component/BaseView.js
@@ -66,6 +66,7 @@ define([
             PAGEUP:     33,
             PAGEDOWN:   34,
             INSERT:     45,
+            EQUALITY_FF:61,
             NUM_PLUS:   107,
             NUM_MINUS:  109,
             F1:         112,
@@ -80,6 +81,7 @@ define([
             F10:        121,
             F11:        122,
             F12:        123,
+            MINUS_FF:   173,
             EQUALITY:   187,
             MINUS:      189
         },
diff --git a/apps/documenteditor/main/app/view/DocumentHolder.js b/apps/documenteditor/main/app/view/DocumentHolder.js
index 7ef3b3cb6..51c8c2c72 100644
--- a/apps/documenteditor/main/app/view/DocumentHolder.js
+++ b/apps/documenteditor/main/app/view/DocumentHolder.js
@@ -267,13 +267,13 @@ define([
                 if (me.api){
                     var key = event.keyCode;
                     if ((event.ctrlKey || event.metaKey) && !event.shiftKey && !event.altKey){
-                        if (key === Common.UI.Keys.NUM_PLUS || key === Common.UI.Keys.EQUALITY || (Common.Utils.isOpera && key == 43)){
+                        if (key === Common.UI.Keys.NUM_PLUS || key === Common.UI.Keys.EQUALITY || (Common.Utils.isGecko && key === Common.UI.Keys.EQUALITY_FF) || (Common.Utils.isOpera && key == 43)){
                             me.api.zoomIn();
                             event.preventDefault();
                             event.stopPropagation();
                             return false;
                         }
-                        else if (key === Common.UI.Keys.NUM_MINUS || key === Common.UI.Keys.MINUS || (Common.Utils.isOpera && key == 45)){
+                        else if (key === Common.UI.Keys.NUM_MINUS || key === Common.UI.Keys.MINUS || (Common.Utils.isGecko && key === Common.UI.Keys.MINUS_FF) || (Common.Utils.isOpera && key == 45)){
                             me.api.zoomOut();
                             event.preventDefault();
                             event.stopPropagation();
diff --git a/apps/presentationeditor/main/app/view/DocumentHolder.js b/apps/presentationeditor/main/app/view/DocumentHolder.js
index 2a024dd7a..5f033b057 100644
--- a/apps/presentationeditor/main/app/view/DocumentHolder.js
+++ b/apps/presentationeditor/main/app/view/DocumentHolder.js
@@ -273,13 +273,13 @@ define([
                 if (me.api){
                     var key = event.keyCode;
                     if ((event.ctrlKey || event.metaKey) && !event.shiftKey && !event.altKey){
-                        if (key === Common.UI.Keys.NUM_PLUS || key === Common.UI.Keys.EQUALITY || (Common.Utils.isOpera && key == 43)){
+                        if (key === Common.UI.Keys.NUM_PLUS || key === Common.UI.Keys.EQUALITY || (Common.Utils.isGecko && key === Common.UI.Keys.EQUALITY_FF) || (Common.Utils.isOpera && key == 43)){
                             me.api.zoomIn();
                             event.preventDefault();
                             event.stopPropagation();
                             return false;
                         }
-                        else if (key === Common.UI.Keys.NUM_MINUS || key === Common.UI.Keys.MINUS || (Common.Utils.isOpera && key == 45)){
+                        else if (key === Common.UI.Keys.NUM_MINUS || key === Common.UI.Keys.MINUS || (Common.Utils.isGecko && key === Common.UI.Keys.MINUS_FF) || (Common.Utils.isOpera && key == 45)){
                             me.api.zoomOut();
                             event.preventDefault();
                             event.stopPropagation();
diff --git a/apps/spreadsheeteditor/main/app/controller/DocumentHolder.js b/apps/spreadsheeteditor/main/app/controller/DocumentHolder.js
index 6d078577c..1ca136c2b 100644
--- a/apps/spreadsheeteditor/main/app/controller/DocumentHolder.js
+++ b/apps/spreadsheeteditor/main/app/controller/DocumentHolder.js
@@ -1176,7 +1176,7 @@ define([
             if (this.api){
                 var key = event.keyCode;
                 if ((event.ctrlKey || event.metaKey) && !event.shiftKey && !event.altKey){
-                    if (key === Common.UI.Keys.NUM_PLUS || key === Common.UI.Keys.EQUALITY || (Common.Utils.isOpera && key == 43)){
+                    if (key === Common.UI.Keys.NUM_PLUS || key === Common.UI.Keys.EQUALITY || (Common.Utils.isGecko && key === Common.UI.Keys.EQUALITY_FF) || (Common.Utils.isOpera && key == 43)){
                         if (!this.api.isCellEdited) {
                             var factor = Math.floor(this.api.asc_getZoom() * 10)/10;
                             factor += .1;
@@ -1188,7 +1188,7 @@ define([
                             event.stopPropagation();
                             return false;
                         }
-                    } else if (key === Common.UI.Keys.NUM_MINUS || key === Common.UI.Keys.MINUS || (Common.Utils.isOpera && key == 45)){
+                    } else if (key === Common.UI.Keys.NUM_MINUS || key === Common.UI.Keys.MINUS || (Common.Utils.isGecko && key === Common.UI.Keys.MINUS_FF) || (Common.Utils.isOpera && key == 45)){
                         if (!this.api.isCellEdited) {
                             factor = Math.ceil(this.api.asc_getZoom() * 10)/10;
                             factor -= .1;