diff --git a/src/libCom/osi/os/posix/epicsMath.h b/src/libCom/osi/os/posix/epicsMath.h
index d8177e361..ecc7b1173 100644
--- a/src/libCom/osi/os/posix/epicsMath.h
+++ b/src/libCom/osi/os/posix/epicsMath.h
@@ -6,4 +6,4 @@
 
 #define epicsIsNAN(D) isnan(D)
 
-#endif /* epicsMathh
+#endif /* epicsMathh */