diff --git a/include/sofort/sofort_api.h b/include/sofort/sofort_api.h
index 26659fd..1303d3c 100644
--- a/include/sofort/sofort_api.h
+++ b/include/sofort/sofort_api.h
@@ -19,9 +19,9 @@
 
 /* sfrt_api */
 #ifndef SFRT_APP
-#if     defined (SFRT_BUILD)
+#if     defined (SFRT_EXPORT)
 #define sfrt_api sfrt_export
-#elif   defined (SFRT_SHARED)
+#elif   defined (SFRT_IMPORT)
 #define sfrt_api sfrt_import
 #elif   defined (SFRT_STATIC)
 #define sfrt_api
diff --git a/project/extras.mk b/project/extras.mk
index 543e9d1..4d79ec5 100644
--- a/project/extras.mk
+++ b/project/extras.mk
@@ -1,4 +1,4 @@
-CFLAGS_SHARED_ATTR	+= -DSFRT_PRE_ALPHA -DSFRT_BUILD
+CFLAGS_SHARED_ATTR	+= -DSFRT_PRE_ALPHA -DSFRT_EXPORT
 CFLAGS_STATIC_ATTR	+= -DSFRT_PRE_ALPHA -DSFRT_STATIC
 CFLAGS_APP_ATTR		+= -DSFRT_APP