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-rw-r--r--ext/win32ole/win32ole.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/win32ole/win32ole.c b/ext/win32ole/win32ole.c
index ea82000013..fa8607b82c 100644
--- a/ext/win32ole/win32ole.c
+++ b/ext/win32ole/win32ole.c
@@ -2553,7 +2553,7 @@ ole_invoke(int argc, VALUE *argv, VALUE self, USHORT wFlags, BOOL is_bracket)
/*------------------------------------------
hash object ==> named dispatch parameters
--------------------------------------------*/
- cNamedArgs = RHASH_SIZE(param);
+ cNamedArgs = rb_long2int(RHASH_SIZE(param));
op.dp.cArgs = cNamedArgs + argc - 2;
op.pNamedArgs = ALLOCA_N(OLECHAR*, cNamedArgs + 1);
op.dp.rgvarg = ALLOCA_N(VARIANTARG, op.dp.cArgs);