common: do not interpret printf sequences in mg2di_assert()

1 files changed, 1 insertions, 1 deletions

diff --git a/common.h b/common.h
index 03b33f6..0c644bd 100644
--- a/common.h
+++ b/common.h
@@ -33,7 +33,7 @@
 #define mg2di_assert(x)                                 \
 do {                                                    \
     if (!(x)) {                                         \
-        fprintf(stderr, "Assertion " #x " failed\n");   \
+        fputs("Assertion " #x " failed\n", stderr);     \
         abort();                                        \
     }                                                   \
 } while (0)