diff --git a/implementations/micrometer-registry-dynatrace/src/main/java/io/micrometer/dynatrace/DynatraceNamingConvention.java b/implementations/micrometer-registry-dynatrace/src/main/java/io/micrometer/dynatrace/DynatraceNamingConvention.java
index ea3a04c907..b6b71d1bb1 100644
--- a/implementations/micrometer-registry-dynatrace/src/main/java/io/micrometer/dynatrace/DynatraceNamingConvention.java
+++ b/implementations/micrometer-registry-dynatrace/src/main/java/io/micrometer/dynatrace/DynatraceNamingConvention.java
@@ -21,8 +21,17 @@
 
 import java.util.regex.Pattern;
 
+/**
+ * {@link NamingConvention} for Dynatrace.
+ *
+ * @author Oriol Barcelona Palau
+ * @author Jon Schneider
+ * @author Johnny Lim
+ * @since 1.1.0
+ */
 public class DynatraceNamingConvention implements NamingConvention {
 
+    private static final Pattern NAME_CLEANUP_PATTERN = Pattern.compile("[^\\w._-]");
     private static final Pattern KEY_CLEANUP_PATTERN = Pattern.compile("[^\\w.-]");
 
     private final NamingConvention delegate;
@@ -37,7 +46,14 @@ public DynatraceNamingConvention() {
 
     @Override
     public String name(String name, Meter.Type type, @Nullable String baseUnit) {
-        return "custom:" + delegate.name(name, type, baseUnit);
+        return "custom:" + sanitizeName(delegate.name(name, type, baseUnit));
+    }
+
+    private String sanitizeName(String name) {
+        if (name.equals("system.load.average.1m")) {
+            return "system.load.average.oneminute";
+        }
+        return NAME_CLEANUP_PATTERN.matcher(name).replaceAll("_");
     }
 
     @Override
diff --git a/implementations/micrometer-registry-dynatrace/src/test/java/io/micrometer/dynatrace/DynatraceNamingConventionTest.java b/implementations/micrometer-registry-dynatrace/src/test/java/io/micrometer/dynatrace/DynatraceNamingConventionTest.java
index 4fb1c9eb60..48be6223c5 100644
--- a/implementations/micrometer-registry-dynatrace/src/test/java/io/micrometer/dynatrace/DynatraceNamingConventionTest.java
+++ b/implementations/micrometer-registry-dynatrace/src/test/java/io/micrometer/dynatrace/DynatraceNamingConventionTest.java
@@ -20,7 +20,13 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-
+/**
+ * Tests for {@link DynatraceNamingConvention}.
+ *
+ * @author Oriol Barcelona Palau
+ * @author Jon Schneider
+ * @author Johnny Lim
+ */
 class DynatraceNamingConventionTest {
 
     private final DynatraceNamingConvention convention = new DynatraceNamingConvention();
@@ -30,8 +36,26 @@ void nameStartsWithCustomAndColon() {
         assertThat(convention.name("mymetric", Meter.Type.COUNTER, null)).isEqualTo("custom:mymetric");
     }
 
+    @Test
+    void nameShouldAllowAlphanumericUnderscoreAndDash() {
+        assertThat(convention.name("my.name1", Meter.Type.COUNTER, null)).isEqualTo("custom:my.name1");
+        assertThat(convention.name("my_name1", Meter.Type.COUNTER, null)).isEqualTo("custom:my_name1");
+        assertThat(convention.name("my-name1", Meter.Type.COUNTER, null)).isEqualTo("custom:my-name1");
+    }
+
+    @Test
+    void nameShouldSanitize() {
+        assertThat(convention.name("my,name1", Meter.Type.COUNTER, null)).isEqualTo("custom:my_name1");
+    }
+
+    @Test
+    void nameWithSystemLoadAverageOneMintueShouldSanitize() {
+        assertThat(convention.name("system.load.average.1m", Meter.Type.COUNTER, null))
+                .isEqualTo("custom:system.load.average.oneminute");
+    }
+
     @Test
     void tagKeysAreSanitized() {
         assertThat(convention.tagKey("{tagTag0}.-")).isEqualTo("_tagTag0_.-");
     }
-}
\ No newline at end of file
+}