1 files changed, 7 insertions, 6 deletions
diff --git a/lib/axlsx/util/validators.rb b/lib/axlsx/util/validators.rb
index aa8eb1ac..739a4de2 100644
--- a/lib/axlsx/util/validators.rb
+++ b/lib/axlsx/util/validators.rb
@@ -51,17 +51,18 @@ module Axlsx
     # @raise [ArugumentError] Raised if the class of the value provided is not in the specified array of types or the block passed returns false
     # @return [Boolean] true if validation succeeds.
     # @see validate_boolean
-    def self.validate(name, types, v, other= lambda{|arg| true })
+    def self.validate(name, types, v, other=false)
       types = [types] unless types.is_a? Array
-      valid_type = false
+      if other.is_a?(Proc)
+         raise ArgumentError, (ERR_TYPE % [v.inspect, name, types.inspect]) unless other.call(v)
+      end
       if v.class == Class
-        types.each { |t| valid_type = true if v.ancestors.include?(t) }
+        types.each { |t| return if v.ancestors.include?(t) }
       else
-        types.each { |t| valid_type = true if v.is_a?(t) }
+        types.each { |t| return if v.is_a?(t) }
       end
-      raise ArgumentError, (ERR_TYPE % [v.inspect, name, types.inspect]) unless (other.call(v) && valid_type)
+      raise ArgumentError, (ERR_TYPE % [v.inspect, name, types.inspect])
     end
-    true
   end