diff --git a/src/libopensc/internal.h b/src/libopensc/internal.h
index 85928747..9883e870 100644
--- a/src/libopensc/internal.h
+++ b/src/libopensc/internal.h
@@ -36,7 +36,8 @@ int sc_sw_to_errorcode(struct sc_card *card, int sw1, int sw2);
 /* Default timeout value for SCardGetStatusChange */
 #ifndef SC_CUSTOM_STATUS_TIMEOUT
 #define SC_STATUS_TIMEOUT 0
-#else SC_STATUS_TIMEOUT SC_CUSTOM_STATUS_TIMEOUT
+#else
+#define SC_STATUS_TIMEOUT SC_CUSTOM_STATUS_TIMEOUT
 #endif
 
 #endif
diff --git a/src/libopensc/sc-internal.h b/src/libopensc/sc-internal.h
index 85928747..9883e870 100644
--- a/src/libopensc/sc-internal.h
+++ b/src/libopensc/sc-internal.h
@@ -36,7 +36,8 @@ int sc_sw_to_errorcode(struct sc_card *card, int sw1, int sw2);
 /* Default timeout value for SCardGetStatusChange */
 #ifndef SC_CUSTOM_STATUS_TIMEOUT
 #define SC_STATUS_TIMEOUT 0
-#else SC_STATUS_TIMEOUT SC_CUSTOM_STATUS_TIMEOUT
+#else
+#define SC_STATUS_TIMEOUT SC_CUSTOM_STATUS_TIMEOUT
 #endif
 
 #endif