diff --git a/README.md b/README.md
index b6c277a..d58d617 100644
--- a/README.md
+++ b/README.md
@@ -127,6 +127,9 @@ services:
           fi
           sed "s|__SEARXNG_SECRET__|$$secret|g" /tmp/searxng-settings.yml.template > /etc/searxng/settings.yml
         fi
+        if ! grep -q '^default_doi_resolver:' /etc/searxng/settings.yml; then
+          printf '\ndefault_doi_resolver: "oadoi.org"\n' >> /etc/searxng/settings.yml
+        fi
         exec /usr/local/searxng/entrypoint.sh
     ports:
       - "127.0.0.1:8080:8080"
diff --git a/config/searxng/settings.yml b/config/searxng/settings.yml
index dd1dc84..6c9efd0 100644
--- a/config/searxng/settings.yml
+++ b/config/searxng/settings.yml
@@ -1,5 +1,7 @@
 use_default_settings: true
 
+default_doi_resolver: "oadoi.org"
+
 server:
   secret_key: "__SEARXNG_SECRET__"
 
diff --git a/docker-compose.dockge.yml b/docker-compose.dockge.yml
index 8a1bc37..402758e 100644
--- a/docker-compose.dockge.yml
+++ b/docker-compose.dockge.yml
@@ -95,6 +95,9 @@ services:
           fi
           sed "s|__SEARXNG_SECRET__|$$secret|g" /tmp/searxng-settings.yml.template > /etc/searxng/settings.yml
         fi
+        if ! grep -q '^default_doi_resolver:' /etc/searxng/settings.yml; then
+          printf '\ndefault_doi_resolver: "oadoi.org"\n' >> /etc/searxng/settings.yml
+        fi
         exec /usr/local/searxng/entrypoint.sh
     ports:
       - "127.0.0.1:8080:8080"
diff --git a/docker-compose.gpu-amd.yml b/docker-compose.gpu-amd.yml
index 47e0c85..d67b4ee 100644
--- a/docker-compose.gpu-amd.yml
+++ b/docker-compose.gpu-amd.yml
@@ -116,6 +116,9 @@ services:
           fi
           sed "s|__SEARXNG_SECRET__|$$secret|g" /tmp/searxng-settings.yml.template > /etc/searxng/settings.yml
         fi
+        if ! grep -q '^default_doi_resolver:' /etc/searxng/settings.yml; then
+          printf '\ndefault_doi_resolver: "oadoi.org"\n' >> /etc/searxng/settings.yml
+        fi
         exec /usr/local/searxng/entrypoint.sh
     ports:
       - "127.0.0.1:8080:8080"
diff --git a/docker-compose.gpu-nvidia.yml b/docker-compose.gpu-nvidia.yml
index 36ca10e..4a6c88a 100644
--- a/docker-compose.gpu-nvidia.yml
+++ b/docker-compose.gpu-nvidia.yml
@@ -119,6 +119,9 @@ services:
           fi
           sed "s|__SEARXNG_SECRET__|$$secret|g" /tmp/searxng-settings.yml.template > /etc/searxng/settings.yml
         fi
+        if ! grep -q '^default_doi_resolver:' /etc/searxng/settings.yml; then
+          printf '\ndefault_doi_resolver: "oadoi.org"\n' >> /etc/searxng/settings.yml
+        fi
         exec /usr/local/searxng/entrypoint.sh
     ports:
       - "127.0.0.1:8080:8080"
diff --git a/docker-compose.yml b/docker-compose.yml
index f3a8dcc..79f0373 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -97,6 +97,9 @@ services:
           fi
           sed "s|__SEARXNG_SECRET__|$$secret|g" /tmp/searxng-settings.yml.template > /etc/searxng/settings.yml
         fi
+        if ! grep -q '^default_doi_resolver:' /etc/searxng/settings.yml; then
+          printf '\ndefault_doi_resolver: "oadoi.org"\n' >> /etc/searxng/settings.yml
+        fi
         exec /usr/local/searxng/entrypoint.sh
     ports:
       - "127.0.0.1:8080:8080"