diff --git a/sigtool/sigtool.c b/sigtool/sigtool.c
index ebfe7dcf2..a1aad44b3 100644
--- a/sigtool/sigtool.c
+++ b/sigtool/sigtool.c
@@ -2343,6 +2343,7 @@ static int decodehex(const char *hexsig)
 	    }
 	    if(!(decoded = decodehexspecial(pt, &dlen))) {
 		mprintf("!Decoding failed\n");
+        free(pt);
 		return -1;
 	    }
 	    bw = write(1, decoded, dlen);