diff --git a/dlls/inetcomm/mimeole.c b/dlls/inetcomm/mimeole.c
index 4c61f72ac0e..38acd4952fd 100644
--- a/dlls/inetcomm/mimeole.c
+++ b/dlls/inetcomm/mimeole.c
@@ -1094,7 +1094,7 @@ static HRESULT MimeBody_set_offsets(MimeBody *body, const BODYOFFSETS *offsets)
 
 #define FIRST_CUSTOM_PROP_ID 0x100
 
-MimeBody *mimebody_create(void)
+static MimeBody *mimebody_create(void)
 {
     MimeBody *This;
     BODYOFFSETS body_offsets;