diff --git a/src/err.h b/src/err.h
index b75f21a6..6db5b138 100644
--- a/src/err.h
+++ b/src/err.h
@@ -70,7 +70,7 @@
 #define E_MON_TWICE	     51
 #define E_DAY_TWICE	     52
 #define E_UNKNOWN_TOKEN	     53
-#define E_SPEC_MON_DAY	     54
+#define E_SPEC_MON    	     54
 #define E_2MANY_PART	     55
 #define E_2MANY_FULL	     56
 #define E_PUSH_NOPOP	     57
diff --git a/src/omit.c b/src/omit.c
index 604ddc1c..1c28272d 100644
--- a/src/omit.c
+++ b/src/omit.c
@@ -365,7 +365,7 @@ int DoOmit(ParsePtr p)
 
     if (!seen_through) {
         /* We must have at least a month */
-        if (m[0] == NO_MON) return E_SPEC_MON_DAY;
+        if (m[0] == NO_MON) return E_SPEC_MON;
         m[1] = m[0];
         y[1] = y[0];
         if (d[0] == NO_DAY) {
@@ -381,8 +381,8 @@ int DoOmit(ParsePtr p)
             y[1] = y[0];
         }
     } else {
-        if (m[0] == NO_MON) return E_SPEC_MON_DAY;
-        if (m[1] == NO_MON) return E_SPEC_MON_DAY;
+        if (m[0] == NO_MON) return E_SPEC_MON;
+        if (m[1] == NO_MON) return E_SPEC_MON;
         if ((y[0] != NO_YR && y[1] == NO_YR) ||
             (y[0] == NO_YR && y[1] != NO_YR)) {
             return E_BAD_DATE;