diff --git a/tests/various/abc9.v b/tests/various/abc9.v
index 85828bf30..f0b3f6837 100644
--- a/tests/various/abc9.v
+++ b/tests/various/abc9.v
@@ -13,6 +13,6 @@ endmodule
 module abc9_test032(input clk, d, r, output reg q);
 initial q = 1'b0;
 always @(negedge clk or negedge r)
-    if (r) q <= 1'b0;
+    if (!r) q <= 1'b0;
     else q <= d;
 endmodule