diff --git a/test/libsolidity/syntaxTests/fixed_point/encodepacked.sol b/test/libsolidity/syntaxTests/fixed_point/encodepacked.sol
new file mode 100644
index 000000000..e6ddf2a7a
--- /dev/null
+++ b/test/libsolidity/syntaxTests/fixed_point/encodepacked.sol
@@ -0,0 +1,10 @@
+contract C {
+    function f() public pure returns (bytes memory) {
+        return abi.encode(
+            1.23,
+            1/3
+        );
+    }
+}
+// ----
+// TypeError 8009: (124-127): Invalid rational number (too large or division by zero).
diff --git a/test/libsolidity/syntaxTests/types/encoding_fractional.sol b/test/libsolidity/syntaxTests/types/encoding_fractional.sol
index 2202e7a82..141f29651 100644
--- a/test/libsolidity/syntaxTests/types/encoding_fractional.sol
+++ b/test/libsolidity/syntaxTests/types/encoding_fractional.sol
@@ -4,4 +4,3 @@ contract C {
    }
 }
 // ----
-// TypeError 6090: (92-95): Fractional numbers cannot yet be encoded.
diff --git a/test/libsolidity/syntaxTests/types/encoding_fractional_abiencoderv2.sol b/test/libsolidity/syntaxTests/types/encoding_fractional_abiencoderv2.sol
index 6c818fa76..70d9b97e1 100644
--- a/test/libsolidity/syntaxTests/types/encoding_fractional_abiencoderv2.sol
+++ b/test/libsolidity/syntaxTests/types/encoding_fractional_abiencoderv2.sol
@@ -5,4 +5,3 @@ contract C {
    }
 }
 // ----
-// TypeError 6090: (126-129): Fractional numbers cannot yet be encoded.
diff --git a/test/libsolidity/syntaxTests/types/encoding_packed_fractional.sol b/test/libsolidity/syntaxTests/types/encoding_packed_fractional.sol
index f3e2863f0..0d3328b79 100644
--- a/test/libsolidity/syntaxTests/types/encoding_packed_fractional.sol
+++ b/test/libsolidity/syntaxTests/types/encoding_packed_fractional.sol
@@ -4,5 +4,5 @@ contract C {
    }
 }
 // ----
-// TypeError 6090: (98-101): Fractional numbers cannot yet be encoded.
+// TypeError 7279: (98-101): Cannot perform packed encoding for a literal. Please convert it to an explicit type first.
 // TypeError 7279: (103-104): Cannot perform packed encoding for a literal. Please convert it to an explicit type first.
diff --git a/test/libsolidity/syntaxTests/types/encoding_packed_fractional_abiencoderv2.sol b/test/libsolidity/syntaxTests/types/encoding_packed_fractional_abiencoderv2.sol
index c227caa40..0daf96367 100644
--- a/test/libsolidity/syntaxTests/types/encoding_packed_fractional_abiencoderv2.sol
+++ b/test/libsolidity/syntaxTests/types/encoding_packed_fractional_abiencoderv2.sol
@@ -5,5 +5,5 @@ contract C {
    }
 }
 // ----
-// TypeError 6090: (132-135): Fractional numbers cannot yet be encoded.
+// TypeError 7279: (132-135): Cannot perform packed encoding for a literal. Please convert it to an explicit type first.
 // TypeError 7279: (137-138): Cannot perform packed encoding for a literal. Please convert it to an explicit type first.