diff --git a/compiler/ccgtypes.nim b/compiler/ccgtypes.nim
index 0c7e60eac9..c9cd3b1250 100644
--- a/compiler/ccgtypes.nim
+++ b/compiler/ccgtypes.nim
@@ -925,7 +925,7 @@ proc genProcHeader(m: BModule, prc: PSym): Rope =
       result.add "N_LIB_EXPORT "
   elif prc.typ.callConv == ccInline:
     result.add "static "
-  else:
+  elif {sfImportc, sfExportc} * prc.flags == {}:
     result.add "N_LIB_PRIVATE "
   var check = initIntSet()
   fillLoc(prc.loc, locProc, prc.ast[namePos], mangleName(m, prc), OnUnknown)