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Diffstat (limited to 'custom_mutators/radamsa/libradamsa.c')
-rw-r--r--custom_mutators/radamsa/libradamsa.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/custom_mutators/radamsa/libradamsa.c b/custom_mutators/radamsa/libradamsa.c
index e6838752..1dcf91d8 100644
--- a/custom_mutators/radamsa/libradamsa.c
+++ b/custom_mutators/radamsa/libradamsa.c
@@ -3707,7 +3707,7 @@ typedef intptr_t     wdiff;
   1024 * 1024 * 8         /* static malloc'd heap size if used as a library */
 #define FBITS 24             /* bits in fixnum, on the way to 24 and beyond */
 #define FMAX                                                       \
-  ((1 << FBITS) - 1)  /* maximum fixnum (and most negative fixnum) \
+  ((1U << FBITS) - 1)  /* maximum fixnum (and most negative fixnum) \
                        */
 #define MAXOBJ 0xffff                /* max words in tuple including header */
 #define MAXPAYL                                                \