diff --git a/src/dorem.c b/src/dorem.c
index ac4aea80..a3bf73aa 100644
--- a/src/dorem.c
+++ b/src/dorem.c
@@ -680,7 +680,7 @@ static int ParseLocalOmit(ParsePtr s, Trigger *t)
 
 	default:
             if (t->localomit == NO_WD) {
-                Wprint("Warning: OMIT clause used in REM command, but no weekdays omitted");
+                return E_EXPECTING_WEEKDAY;
             }
 	    PushToken(DBufValue(&buf), s);
 	    DBufFree(&buf);
diff --git a/src/err.h b/src/err.h
index 7bb46082..a0388bc6 100644
--- a/src/err.h
+++ b/src/err.h
@@ -121,6 +121,8 @@
 #define E_STRING_TOO_LONG   101
 #define E_TIME_TWICE        102
 #define E_DURATION_NO_AT    103
+#define E_EXPECTING_WEEKDAY 104
+
 #ifdef MK_GLOBALS
 #undef EXTERN
 #define EXTERN
@@ -241,7 +243,8 @@ EXTERN char *ErrMsg[]
     "No files matching *.rem",
     "String too long",
     "Time specified twice",
-    "Cannot specify DURATION without specifying AT"
+    "Cannot specify DURATION without specifying AT",
+    "Expecting weekday name"
 }
 #endif /* MK_GLOBALS */
 ;
diff --git a/src/langs/finnish.h b/src/langs/finnish.h
index afe24c62..b3b08c94 100644
--- a/src/langs/finnish.h
+++ b/src/langs/finnish.h
@@ -245,7 +245,8 @@ EXTERN char *ErrMsg[] =
     "No files matching *.rem",
     "String too long",
     "Time specified twice",
-    "Cannot specify DURATION without specifying AT"
+    "Cannot specify DURATION without specifying AT".
+    "Odotettu viikonpäivän nimi"
 };
 #endif /* MK_GLOBALS */
 
diff --git a/src/langs/french.h b/src/langs/french.h
index db9334e7..51ff06bf 100644
--- a/src/langs/french.h
+++ b/src/langs/french.h
@@ -219,7 +219,8 @@ EXTERN char *ErrMsg[] =
     "No files matching *.rem",
     "String too long",
     "Time specified twice",
-    "Cannot specify DURATION without specifying AT"
+    "Cannot specify DURATION without specifying AT",
+    "Nom du jour de la semaine attendu",
 };
 #endif /* MK_GLOBALS */
 
diff --git a/src/langs/polish.h b/src/langs/polish.h
index f2fe82c1..58987456 100644
--- a/src/langs/polish.h
+++ b/src/langs/polish.h
@@ -235,7 +235,8 @@ EXTERN char *ErrMsg[] =
     "No files matching *.rem",
     "String too long",
     "Time specified twice",
-    "Cannot specify DURATION without specifying AT"
+    "Cannot specify DURATION without specifying AT",
+    "Oczekiwana nazwa dnia tygodnia"
 };
 #endif /* MK_GLOBALS */
 
diff --git a/src/langs/portbr.h b/src/langs/portbr.h
index 0e03d592..ce2efa8b 100644
--- a/src/langs/portbr.h
+++ b/src/langs/portbr.h
@@ -244,7 +244,8 @@ EXTERN char *ErrMsg[] =
     "No files matching *.rem",
     "String too long",
     "Time specified twice",
-    "Cannot specify DURATION without specifying AT"
+    "Cannot specify DURATION without specifying AT",
+    "Esperando nome do dia da semana",
 };
 #endif /* MK_GLOBALS */
 
diff --git a/tests/test.cmp b/tests/test.cmp
index 3159e1cb..dfa8e003 100644
--- a/tests/test.cmp
+++ b/tests/test.cmp
@@ -4880,6 +4880,14 @@ set pqxya 1+2)
 1 + 2 => 3
 ../tests/test.rem(911): Expecting end-of-line
 
+# Should result in an error
+REM Tue OMIT 2024-01-01 MSG Wookie
+../tests/test.rem(914): Expecting weekday name
+
+# No error
+REM Tue OMIT Wed 2024-01-01 MSG Blort
+../tests/test.rem(917): Trig = Tuesday, 2 January, 2024
+
 # Don't want Remind to queue reminders
 EXIT
 
diff --git a/tests/test.rem b/tests/test.rem
index a0047bcd..80ab8215 100644
--- a/tests/test.rem
+++ b/tests/test.rem
@@ -910,6 +910,12 @@ set a 7 * "Cabbage! "
 # Should result in errors
 set pqxya 1+2)
 
+# Should result in an error
+REM Tue OMIT 2024-01-01 MSG Wookie
+
+# No error
+REM Tue OMIT Wed 2024-01-01 MSG Blort
+
 # Don't want Remind to queue reminders
 EXIT