diff --git a/src/autometrics/prometheus_url.py b/src/autometrics/prometheus_url.py
index d4579bd..8a927a9 100644
--- a/src/autometrics/prometheus_url.py
+++ b/src/autometrics/prometheus_url.py
@@ -15,7 +15,7 @@ def __init__(self, functionName, moduleName):
    def createURLs(self):
         requestRateQuery =f'sum by (function, module) (rate (function_calls_count_total{{function="{self.functionName}",module="{self.moduleName}"}}[5m]))'
         latencyQuery= f'sum by (le, function, module) (rate(function_calls_duration_bucket{{function="{self.functionName}",module="{self.moduleName}"}}[5m]))'
-        errorRatioQuery = f'sum by (function, module) (rate (function_calls_count{{function="{self.functionName}",module="{self.moduleName}", result="error"}}[5m])) / {requestRateQuery}'
+        errorRatioQuery = f'sum by (function, module) (rate (function_calls_count_total{{function="{self.functionName}",module="{self.moduleName}", result="error"}}[5m])) / {requestRateQuery}'
 
         queries = [requestRateQuery,latencyQuery, errorRatioQuery]
         names =["Request rate URL", "Latency URL", "Error Ratio URL"]
@@ -32,4 +32,4 @@ def createURLs(self):
    def createPrometheusUrl(self, query):
         urlEncode = urllib.parse.quote(query)
         url =f'{self.baseUrl}graph?g0.expr={urlEncode}&g0.tab=0'
-        return url
\ No newline at end of file
+        return url