diff --git a/include/apimagic/apimagic_api.h b/include/apimagic/apimagic_api.h
index 263e2ee..f35deaf 100644
--- a/include/apimagic/apimagic_api.h
+++ b/include/apimagic/apimagic_api.h
@@ -19,9 +19,9 @@
 
 /* amgc_api */
 #ifndef AMGC_APP
-#if     defined (AMGC_BUILD)
+#if     defined (AMGC_EXPORT)
 #define amgc_api amgc_export
-#elif   defined (AMGC_SHARED)
+#elif   defined (AMGC_IMPORT)
 #define amgc_api amgc_import
 #elif   defined (AMGC_STATIC)
 #define amgc_api
diff --git a/project/extras.mk b/project/extras.mk
index da2b171..807f5ca 100644
--- a/project/extras.mk
+++ b/project/extras.mk
@@ -1,4 +1,4 @@
-CFLAGS_SHARED_ATTR	+= -DAMGC_PRE_ALPHA -DAMGC_BUILD
+CFLAGS_SHARED_ATTR	+= -DAMGC_PRE_ALPHA -DAMGC_EXPORT
 CFLAGS_STATIC_ATTR	+= -DAMGC_PRE_ALPHA -DAMGC_STATIC
 CFLAGS_APP_ATTR		+= -DAMGC_APP