diff --git a/independent-projects/tools/registry-client/src/main/java/io/quarkus/registry/config/RegistriesConfigLocator.java b/independent-projects/tools/registry-client/src/main/java/io/quarkus/registry/config/RegistriesConfigLocator.java
index 0f9f8ad0faab3..156166f6693a4 100644
--- a/independent-projects/tools/registry-client/src/main/java/io/quarkus/registry/config/RegistriesConfigLocator.java
+++ b/independent-projects/tools/registry-client/src/main/java/io/quarkus/registry/config/RegistriesConfigLocator.java
@@ -270,7 +270,18 @@ static RegistriesConfig initFromEnvironmentOrNull(Map<String, String> map) {
 
                 if (isEnvVarOption(var.getKey(), envvarPrefix, "UPDATE_POLICY")) {
                     registry.setUpdatePolicy(var.getValue());
-                    break;
+                } else if (isEnvVarOption(var.getKey(), envvarPrefix, "REPO_URL")) {
+                    JsonRegistryMavenConfig maven = (JsonRegistryMavenConfig) registry.getMaven();
+                    if (maven == null) {
+                        maven = new JsonRegistryMavenConfig();
+                        registry.setMaven(maven);
+                    }
+                    JsonRegistryMavenRepoConfig repository = (JsonRegistryMavenRepoConfig) maven.getRepository();
+                    if (repository == null) {
+                        repository = new JsonRegistryMavenRepoConfig();
+                        maven.setRepository(repository);
+                    }
+                    repository.setUrl(var.getValue());
                 }
             }
         }
diff --git a/independent-projects/tools/registry-client/src/test/java/io/quarkus/registry/config/RegistriesConfigLocatorTest.java b/independent-projects/tools/registry-client/src/test/java/io/quarkus/registry/config/RegistriesConfigLocatorTest.java
index 7dd751539e147..d5e1bd2991280 100644
--- a/independent-projects/tools/registry-client/src/test/java/io/quarkus/registry/config/RegistriesConfigLocatorTest.java
+++ b/independent-projects/tools/registry-client/src/test/java/io/quarkus/registry/config/RegistriesConfigLocatorTest.java
@@ -6,6 +6,8 @@
 import io.quarkus.registry.config.json.JsonRegistriesConfig;
 import io.quarkus.registry.config.json.JsonRegistryConfig;
 import io.quarkus.registry.config.json.JsonRegistryDescriptorConfig;
+import io.quarkus.registry.config.json.JsonRegistryMavenConfig;
+import io.quarkus.registry.config.json.JsonRegistryMavenRepoConfig;
 import io.quarkus.registry.config.json.RegistriesConfigMapperHelper;
 import java.io.StringReader;
 import java.io.StringWriter;
@@ -85,6 +87,40 @@ void testRegistryUpdatePolicyFromEnvironment() {
         assertThat(actualConfig).isEqualTo(expectedConfig);
     }
 
+    @Test
+    void testRegistryRepositoryURLFromEnvironment() {
+        final Map<String, String> env = new HashMap<>();
+        env.put(RegistriesConfigLocator.QUARKUS_REGISTRIES, "registry.acme.org,registry.other.io");
+        env.put(RegistriesConfigLocator.QUARKUS_REGISTRY_ENV_VAR_PREFIX + "REGISTRY_ACME_ORG_UPDATE_POLICY", "always");
+        env.put(RegistriesConfigLocator.QUARKUS_REGISTRY_ENV_VAR_PREFIX + "REGISTRY_OTHER_IO_REPO_URL",
+                "https://custom.registry.net/mvn");
+        final RegistriesConfig actualConfig = initFromEnvironment(env);
+
+        final JsonRegistriesConfig expectedConfig = new JsonRegistriesConfig();
+
+        JsonRegistryConfig registry = new JsonRegistryConfig();
+        registry.setId("registry.acme.org");
+        JsonRegistryDescriptorConfig descriptor = new JsonRegistryDescriptorConfig();
+        descriptor.setArtifact(ArtifactCoords.fromString("org.acme.registry:quarkus-registry-descriptor::json:1.0-SNAPSHOT"));
+        registry.setDescriptor(descriptor);
+        registry.setUpdatePolicy("always");
+        expectedConfig.addRegistry(registry);
+
+        registry = new JsonRegistryConfig();
+        registry.setId("registry.other.io");
+        descriptor = new JsonRegistryDescriptorConfig();
+        descriptor.setArtifact(ArtifactCoords.fromString("io.other.registry:quarkus-registry-descriptor::json:1.0-SNAPSHOT"));
+        registry.setDescriptor(descriptor);
+        JsonRegistryMavenConfig maven = new JsonRegistryMavenConfig();
+        registry.setMaven(maven);
+        JsonRegistryMavenRepoConfig repo = new JsonRegistryMavenRepoConfig();
+        maven.setRepository(repo);
+        repo.setUrl("https://custom.registry.net/mvn");
+        expectedConfig.addRegistry(registry);
+
+        assertThat(actualConfig).isEqualTo(expectedConfig);
+    }
+
     private static RegistriesConfig initFromEnvironment(Map<String, String> env) {
         return RegistriesConfigLocator.initFromEnvironmentOrNull(env);
     }