diff --git a/data/plugins/scale.lua b/data/plugins/scale.lua
index 3e3e1a4..6857728 100644
--- a/data/plugins/scale.lua
+++ b/data/plugins/scale.lua
@@ -13,6 +13,8 @@ config.plugins.scale = {
   use_mousewheel = true
 }
 
+local MIN_SCALE = 0.25;
+
 local scale_level = 0
 local scale_steps = 0.05
 
@@ -89,6 +91,13 @@ local function inc_scale()
 end
 
 local function dec_scale()
+    local new_scale_level = default_scale + (scale_level - 1) * scale_steps
+    
+    if new_scale_level < MIN_SCALE then
+      set_scale(MIN_SCALE)
+      return
+    end
+    
     scale_level = scale_level - 1
     set_scale(default_scale + scale_level * scale_steps)
 end