1 files changed, 1 insertions, 1 deletions

diff --git a/tools/voicefont.c b/tools/voicefont.c
index 9a8a7fbc02..b732f49c07 100644
--- a/tools/voicefont.c
+++ b/tools/voicefont.c
@@ -153,7 +153,7 @@ int voicefont(FILE* voicefontids,int targetnum,char* filedir, FILE* output, unsi
             }
             else /* second run, skip the non voice only ones */
             {
-                if (!voiceonly[i] == 1)
+                if (!(voiceonly[i] == 1))
                     continue;
             }