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-rw-r--r--ext/bcmath/libbcmath/src/raisemod.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/bcmath/libbcmath/src/raisemod.c b/ext/bcmath/libbcmath/src/raisemod.c
index 2865903940..46dfd7a8a8 100644
--- a/ext/bcmath/libbcmath/src/raisemod.c
+++ b/ext/bcmath/libbcmath/src/raisemod.c
@@ -67,7 +67,7 @@ bc_raisemod (bc_num base, bc_num expo, bc_num mod, bc_num *result, int scale)
/* Check for correct numbers. */
if (bc_is_zero(mod)) return -1;
- if (bc_is_neg(expo)) return -1;
+ if (bc_is_neg(expo)) return -2;
/* Set initial values. */
power = bc_copy_num (base);