diff --git a/include/perk/perk_api.h b/include/perk/perk_api.h
index 450cd4a..55c54a2 100644
--- a/include/perk/perk_api.h
+++ b/include/perk/perk_api.h
@@ -19,9 +19,9 @@
 
 /* perk_api */
 #ifndef PERK_APP
-#if     defined (PERK_BUILD)
+#if     defined (PERK_EXPORT)
 #define perk_api perk_export
-#elif   defined (PERK_SHARED)
+#elif   defined (PERK_IMPORT)
 #define perk_api perk_import
 #elif   defined (PERK_STATIC)
 #define perk_api
diff --git a/project/extras.mk b/project/extras.mk
index 38ef68b..18bfc9e 100644
--- a/project/extras.mk
+++ b/project/extras.mk
@@ -1,4 +1,4 @@
-CFLAGS_SHARED_ATTR	+= -DPERK_PRE_ALPHA -DPERK_BUILD
+CFLAGS_SHARED_ATTR	+= -DPERK_PRE_ALPHA -DPERK_EXPORT
 CFLAGS_STATIC_ATTR	+= -DPERK_PRE_ALPHA -DPERK_STATIC
 CFLAGS_APP_ATTR		+= -DPERK_APP