diff --git a/utility/mapcode.cpp b/utility/mapcode.cpp
index ec788a1..bfe84bc 100644
--- a/utility/mapcode.cpp
+++ b/utility/mapcode.cpp
@@ -86,7 +86,7 @@ static void usage(const char* appName) {
 #ifndef SUPPORT_HIGH_PRECISION
     printf("Warning: High precision support is disabled in this build.)\n\n");
 #endif
-#ifndef LIMIT_TO_MICRODEGREES
+#ifdef LIMIT_TO_MICRODEGREES
     printf("Warning: This build is limited to using microdegrees.\n\n");
 #endif
     printf("Usage:\n");