diff --git a/README.md b/README.md
index 161de9c..f3fe9ca 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ We can add it to our project as simple as that:
 ```
 DSP::CRC<uint32_t> crc(0xEDB88320, 0xFFFFFFFF);
 for (uint8_t c: std::string("Hello World!")) crc(c);
-assert(!crc(uint32_t(~0x1C291CA3)));
+assert(~crc() == 0x1C291CA3);
 ```
 
 ### [regression.hh](regression.hh)
diff --git a/tests/crc.cc b/tests/crc.cc
index 7dfc38c..23a2a22 100644
--- a/tests/crc.cc
+++ b/tests/crc.cc
@@ -14,7 +14,7 @@ int main()
 	if (1) {
 		DSP::CRC<uint32_t> crc(0xEDB88320, 0xFFFFFFFF);
 		for (uint8_t c: std::string("Hello World!")) crc(c);
-		assert(!crc(uint32_t(~0x1C291CA3)));
+		assert(~crc() == 0x1C291CA3);
 	}
 	if (1) {
 		DSP::CRC<uint16_t> crc(0xA8F4);