diff --git a/src/raygui.h b/src/raygui.h
index 97cb492..88eea44 100644
--- a/src/raygui.h
+++ b/src/raygui.h
@@ -575,6 +575,7 @@ static bool guiTooltipEnabled = true;   // Gui tooltips enabled
 #define KEY_UP              265
 #define KEY_BACKSPACE       259
 #define KEY_ENTER           257
+
 #define MOUSE_LEFT_BUTTON     0
 
 // Input required functions
@@ -1624,7 +1625,7 @@ bool GuiTextBox(Rectangle bounds, char *text, int textSize, bool editMode)
                 }
             }
 
-            if (IsKeyPressed(KEY_ENTER) || (!CheckCollisionPointRec(mousePoint, bounds) && IsMouseButtonPressed(0))) pressed = true;
+            if (IsKeyPressed(KEY_ENTER) || (!CheckCollisionPointRec(mousePoint, bounds) && IsMouseButtonPressed(MOUSE_LEFT_BUTTON))) pressed = true;
 
             // Check text alignment to position cursor properly
             int textAlignment = GuiGetStyle(TEXTBOX, TEXT_ALIGNMENT);
@@ -1636,7 +1637,7 @@ bool GuiTextBox(Rectangle bounds, char *text, int textSize, bool editMode)
             if (CheckCollisionPointRec(mousePoint, bounds))
             {
                 state = GUI_STATE_FOCUSED;
-                if (IsMouseButtonPressed(0)) pressed = true;
+                if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON)) pressed = true;
             }
         }
 
@@ -1821,7 +1822,7 @@ bool GuiValueBox(Rectangle bounds, const char *text, int *value, int minValue, i
 
             if (valueHasChanged) *value = TextToInteger(textValue);
 
-            if (IsKeyPressed(KEY_ENTER) || (!CheckCollisionPointRec(mousePoint, bounds) && IsMouseButtonPressed(0))) pressed = true;
+            if (IsKeyPressed(KEY_ENTER) || (!CheckCollisionPointRec(mousePoint, bounds) && IsMouseButtonPressed(MOUSE_LEFT_BUTTON))) pressed = true;
         }
         else
         {
@@ -1831,7 +1832,7 @@ bool GuiValueBox(Rectangle bounds, const char *text, int *value, int minValue, i
             if (CheckCollisionPointRec(mousePoint, bounds))
             {
                 state = GUI_STATE_FOCUSED;
-                if (IsMouseButtonPressed(0)) pressed = true;
+                if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON)) pressed = true;
             }
         }
 
@@ -1963,14 +1964,14 @@ bool GuiTextBoxMulti(Rectangle bounds, char *text, int textSize, bool editMode)
             cursor.y = bounds.y + GuiGetStyle(TEXTBOX, BORDER_WIDTH) + GuiGetStyle(TEXTBOX, TEXT_INNER_PADDING)/2 + ((GuiGetStyle(DEFAULT, TEXT_SIZE) + GuiGetStyle(TEXTBOX, TEXT_INNER_PADDING))*currentLine) + 2;
 
             // Exit edit mode
-            if (!CheckCollisionPointRec(mousePoint, bounds) && IsMouseButtonPressed(0)) pressed = true;
+            if (!CheckCollisionPointRec(mousePoint, bounds) && IsMouseButtonPressed(MOUSE_LEFT_BUTTON)) pressed = true;
         }
         else
         {
             if (CheckCollisionPointRec(mousePoint, bounds))
             {
                 state = GUI_STATE_FOCUSED;
-                if (IsMouseButtonPressed(0)) pressed = true;
+                if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON)) pressed = true;
             }
         }