diff --git a/src/Sema.zig b/src/Sema.zig
index 52e4b4fac4..5189ad818c 100644
--- a/src/Sema.zig
+++ b/src/Sema.zig
@@ -2869,7 +2869,16 @@ fn ensureResultUsed(
             };
             return sema.failWithOwnedErrorMsg(block, msg);
         },
-        else => return sema.fail(block, src, "expression value is ignored", .{}),
+        else => {
+            const msg = msg: {
+                const msg = try sema.errMsg(block, src, "value of type '{}' ignored", .{operand_ty.fmt(sema.mod)});
+                errdefer msg.destroy(sema.gpa);
+                try sema.errNote(block, src, msg, "all non-void values must be used", .{});
+                try sema.errNote(block, src, msg, "this error can be suppressed by assigning the value to '_'", .{});
+                break :msg msg;
+            };
+            return sema.failWithOwnedErrorMsg(block, msg);
+        },
     }
 }
 
diff --git a/test/cases/compile_errors/ignored_assert-err-ok_return_value.zig b/test/cases/compile_errors/ignored_assert-err-ok_return_value.zig
index 04f6b3bd49..39657badd4 100644
--- a/test/cases/compile_errors/ignored_assert-err-ok_return_value.zig
+++ b/test/cases/compile_errors/ignored_assert-err-ok_return_value.zig
@@ -7,4 +7,6 @@ fn bar() anyerror!i32 { return 0; }
 // backend=stage2
 // target=native
 //
-// :2:11: error: expression value is ignored
+// :2:11: error: value of type 'i32' ignored
+// :2:11: note: all non-void values must be used
+// :2:11: note: this error can be suppressed by assigning the value to '_'
diff --git a/test/cases/compile_errors/ignored_comptime_statement_value.zig b/test/cases/compile_errors/ignored_comptime_statement_value.zig
index 7a5258fb1d..fc6cdfdd28 100644
--- a/test/cases/compile_errors/ignored_comptime_statement_value.zig
+++ b/test/cases/compile_errors/ignored_comptime_statement_value.zig
@@ -6,4 +6,6 @@ export fn foo() void {
 // backend=stage2
 // target=native
 //
-// :2:15: error: expression value is ignored
+// :2:15: error: value of type 'comptime_int' ignored
+// :2:15: note: all non-void values must be used
+// :2:15: note: this error can be suppressed by assigning the value to '_'
diff --git a/test/cases/compile_errors/ignored_comptime_value.zig b/test/cases/compile_errors/ignored_comptime_value.zig
index 6f207653d6..2f7c6edea3 100644
--- a/test/cases/compile_errors/ignored_comptime_value.zig
+++ b/test/cases/compile_errors/ignored_comptime_value.zig
@@ -6,4 +6,6 @@ export fn foo() void {
 // backend=stage2
 // target=native
 //
-// :2:5: error: expression value is ignored
+// :2:5: error: value of type 'comptime_int' ignored
+// :2:5: note: all non-void values must be used
+// :2:5: note: this error can be suppressed by assigning the value to '_'
diff --git a/test/cases/compile_errors/ignored_deferred_statement_value.zig b/test/cases/compile_errors/ignored_deferred_statement_value.zig
index 6af541236a..9a270497af 100644
--- a/test/cases/compile_errors/ignored_deferred_statement_value.zig
+++ b/test/cases/compile_errors/ignored_deferred_statement_value.zig
@@ -6,4 +6,6 @@ export fn foo() void {
 // backend=stage2
 // target=native
 //
-// :2:12: error: expression value is ignored
+// :2:12: error: value of type 'comptime_int' ignored
+// :2:12: note: all non-void values must be used
+// :2:12: note: this error can be suppressed by assigning the value to '_'
diff --git a/test/cases/compile_errors/ignored_return_value.zig b/test/cases/compile_errors/ignored_return_value.zig
index ac3756acf5..57f859e3d3 100644
--- a/test/cases/compile_errors/ignored_return_value.zig
+++ b/test/cases/compile_errors/ignored_return_value.zig
@@ -7,4 +7,6 @@ fn bar() i32 { return 0; }
 // backend=stage2
 // target=native
 //
-// :2:8: error: expression value is ignored
+// :2:8: error: value of type 'i32' ignored
+// :2:8: note: all non-void values must be used
+// :2:8: note: this error can be suppressed by assigning the value to '_'
diff --git a/test/cases/compile_errors/ignored_statement_value.zig b/test/cases/compile_errors/ignored_statement_value.zig
index 5c79d1f964..c73da84420 100644
--- a/test/cases/compile_errors/ignored_statement_value.zig
+++ b/test/cases/compile_errors/ignored_statement_value.zig
@@ -6,4 +6,6 @@ export fn foo() void {
 // backend=stage2
 // target=native
 //
-// :2:5: error: expression value is ignored
+// :2:5: error: value of type 'comptime_int' ignored
+// :2:5: note: all non-void values must be used
+// :2:5: note: this error can be suppressed by assigning the value to '_'