diff --git a/core/src/main/java/google/registry/reporting/icann/IcannReportingUploadAction.java b/core/src/main/java/google/registry/reporting/icann/IcannReportingUploadAction.java
index 8c67c24f4..b32f7710a 100644
--- a/core/src/main/java/google/registry/reporting/icann/IcannReportingUploadAction.java
+++ b/core/src/main/java/google/registry/reporting/icann/IcannReportingUploadAction.java
@@ -278,9 +278,15 @@ public final class IcannReportingUploadAction implements Runnable {
   }
 
   private void emailUploadResults(ImmutableMap<String, Boolean> reportSummary) {
-    String subject = String.format(
-        "ICANN Monthly report upload summary: %d/%d succeeded",
-        reportSummary.values().stream().filter((b) -> b).count(), reportSummary.size());
+    if (reportSummary.size() == 0) {
+      logger.atInfo().log("No uploads were attempted today; skipping notification email.");
+      return;
+    }
+    String subject =
+        String.format(
+            "ICANN Monthly report upload summary: %d/%d succeeded",
+            // This filter() does in fact do something: It counts only the trues.
+            reportSummary.values().stream().filter((b) -> b).count(), reportSummary.size());
     String body =
         String.format(
             "Report Filename - Upload status:\n%s",
diff --git a/core/src/test/java/google/registry/reporting/icann/IcannReportingUploadActionTest.java b/core/src/test/java/google/registry/reporting/icann/IcannReportingUploadActionTest.java
index f292a1fe7..3c4203975 100644
--- a/core/src/test/java/google/registry/reporting/icann/IcannReportingUploadActionTest.java
+++ b/core/src/test/java/google/registry/reporting/icann/IcannReportingUploadActionTest.java
@@ -210,13 +210,7 @@ class IcannReportingUploadActionTest {
     action.run();
     tm().clearSessionCache();
     verifyNoMoreInteractions(mockReporter);
-    verify(emailService)
-        .sendEmail(
-            EmailMessage.create(
-                "ICANN Monthly report upload summary: 0/0 succeeded",
-                "Report Filename - Upload status:\n",
-                new InternetAddress("recipient@example.com"),
-                new InternetAddress("sender@example.com")));
+    verifyNoMoreInteractions(emailService);
   }
 
   @TestOfyAndSql