diff --git a/app/helpers/InSyncState.rb b/app/helpers/InSyncState.rb
index 1e818c7..9e2fb25 100644
--- a/app/helpers/InSyncState.rb
+++ b/app/helpers/InSyncState.rb
@@ -47,9 +47,8 @@ class InSyncState < StatePattern::State
      end
      
      def handle_frame(frame_lines)
-       # gas flag
-       next_is_gas = false
-       
+       gas_pattern = /^([0-1:24\.2\.1]+)\((\d{12}[SW])\)\((\d{5}\.\d{3})\*m3\)$/
+
        # prepare DB record
        last_reading = Reading.last
        reading = Reading.new
@@ -80,13 +79,10 @@ class InSyncState < StatePattern::State
            end 
            if line.match(/0-0:96.14.0/) # Hoog/laag tarief 
             reading.high_tarif = line.split(/0-0:96.14.0\(|\)/).join.eql?("0002")
-           end           
-           if next_is_gas && line.match(/\(/) 
-             next_is_gas = false
-             reading.total_m3_gas_consumed = line.split(/\(|\)/).join.to_f
-           end
-           if line.match(/0-1:24.3.0/) # Gas verbruik (1x per uur een nieuwe stand) 
-             next_is_gas = true # the usage is on the next line
+           end          
+           if match = line.match(/0-1:24.3.0/) # Gas verbruik (1x per uur een nieuwe stand) 
+            p "Gas reading: #{match[1]} (#{match[2]})"
+            reading.total_m3_gas_consumed = match[3].to_f
            end                
          }