diff --git a/entrypoint.sh b/entrypoint.sh
index 84e9e58..1e135c4 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -9,11 +9,14 @@ main() {
     echo "::add-mask::${INPUT_PASSWORD}"
     set -x
   fi
-
+  
   sanitize "${INPUT_NAME}" "name"
   sanitize "${INPUT_USERNAME}" "username"
   sanitize "${INPUT_PASSWORD}" "password"
 
+  registryToLower
+  nameToLower
+
   REGISTRY_NO_PROTOCOL=$(echo "${INPUT_REGISTRY}" | sed -e 's/^https:\/\///g')
   if uses "${INPUT_REGISTRY}" && ! isPartOfTheName "${REGISTRY_NO_PROTOCOL}"; then
     INPUT_NAME="${REGISTRY_NO_PROTOCOL}/${INPUT_NAME}"
@@ -68,6 +71,14 @@ sanitize() {
   fi
 }
 
+registryToLower(){
+ INPUT_REGISTRY=$(echo "${INPUT_REGISTRY}" | tr '[A-Z]' '[a-z]')
+}
+
+nameToLower(){
+  INPUT_NAME=$(echo "${INPUT_NAME}" | tr '[A-Z]' '[a-z]')
+}
+
 isPartOfTheName() {
   [ $(echo "${INPUT_NAME}" | sed -e "s/${1}//g") != "${INPUT_NAME}" ]
 }
diff --git a/test.bats b/test.bats
index bce7650..7966bd6 100755
--- a/test.bats
+++ b/test.bats
@@ -313,10 +313,10 @@ teardown() {
 
   run /entrypoint.sh
 
-  expectMockCalled "/usr/local/bin/docker login -u USERNAME --password-stdin my.Registry.io
-/usr/local/bin/docker build -t my.Registry.io/my/repository:latest .
-/usr/local/bin/docker push my.Registry.io/my/repository:latest
-/usr/local/bin/docker inspect --format={{index .RepoDigests 0}} my.Registry.io/my/repository:latest
+  expectMockCalled "/usr/local/bin/docker login -u USERNAME --password-stdin my.registry.io
+/usr/local/bin/docker build -t my.registry.io/my/repository:latest .
+/usr/local/bin/docker push my.registry.io/my/repository:latest
+/usr/local/bin/docker inspect --format={{index .RepoDigests 0}} my.registry.io/my/repository:latest
 /usr/local/bin/docker logout"
 }
 
@@ -326,10 +326,10 @@ teardown() {
 
   run /entrypoint.sh
 
-  expectMockCalled "/usr/local/bin/docker login -u USERNAME --password-stdin my.Registry.io
-/usr/local/bin/docker build -t my.Registry.io/my/repository:latest .
-/usr/local/bin/docker push my.Registry.io/my/repository:latest
-/usr/local/bin/docker inspect --format={{index .RepoDigests 0}} my.Registry.io/my/repository:latest
+  expectMockCalled "/usr/local/bin/docker login -u USERNAME --password-stdin my.registry.io
+/usr/local/bin/docker build -t my.registry.io/my/repository:latest .
+/usr/local/bin/docker push my.registry.io/my/repository:latest
+/usr/local/bin/docker inspect --format={{index .RepoDigests 0}} my.registry.io/my/repository:latest
 /usr/local/bin/docker logout"
 }
 
@@ -339,10 +339,10 @@ teardown() {
 
   run /entrypoint.sh
 
-  expectMockCalled "/usr/local/bin/docker login -u USERNAME --password-stdin https://my.Registry.io
-/usr/local/bin/docker build -t my.Registry.io/my/repository:latest .
-/usr/local/bin/docker push my.Registry.io/my/repository:latest
-/usr/local/bin/docker inspect --format={{index .RepoDigests 0}} my.Registry.io/my/repository:latest
+  expectMockCalled "/usr/local/bin/docker login -u USERNAME --password-stdin https://my.registry.io
+/usr/local/bin/docker build -t my.registry.io/my/repository:latest .
+/usr/local/bin/docker push my.registry.io/my/repository:latest
+/usr/local/bin/docker inspect --format={{index .RepoDigests 0}} my.registry.io/my/repository:latest
 /usr/local/bin/docker logout"
 }