diff --git a/src/sdcard.cpp b/src/sdcard.cpp
index 749944ad..0633151f 100644
--- a/src/sdcard.cpp
+++ b/src/sdcard.cpp
@@ -1,6 +1,6 @@
 // routines for writing data to an SD-card, if present
 
-#if HAS_SDCARD)
+#if (HAS_SDCARD)
 
 // Local logging tag
 static const char TAG[] = __FILE__;