diff --git a/internal/agreement.go b/internal/agreement.go
index caba0a0..3fa0898 100644
--- a/internal/agreement.go
+++ b/internal/agreement.go
@@ -1,5 +1,9 @@
 package internal
 
+import (
+	"strings"
+)
+
 type AgreementOptions struct {
 	Threshold      int
 	NeedsConsensus bool
@@ -14,7 +18,7 @@ func AgreementReached(members []string, votes map[string]bool, opts *AgreementOp
 	}
 	numFor := 0
 	for _, member := range members {
-		isFor, voted := votes[member]
+		isFor, voted := votes[strings.ToLower(member)]
 		// cases where members do not have a vote in votes
 		if !voted {
 			continue
diff --git a/internal/webhook.go b/internal/webhook.go
index a58459f..7776c38 100644
--- a/internal/webhook.go
+++ b/internal/webhook.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io/ioutil"
 	"net/http"
+	"strings"
 	"time"
 
 	"github.com/google/go-github/github"
@@ -138,9 +139,9 @@ func GenerateReviewMap(reviews []*github.PullRequestReview) map[string]bool {
 		switch *review.State {
 		// Cases outside of these 2 do not matter
 		case "APPROVED":
-			reviewMap[*review.User.Login] = true
+			reviewMap[strings.ToLower(*review.User.Login)] = true
 		case "CHANGES_REQUESTED":
-			reviewMap[*review.User.Login] = false
+			reviewMap[strings.ToLower(*review.User.Login)] = false
 		}
 	}
 	return reviewMap