diff --git a/src/parse.y b/src/parse.y
index d0eeb91300..65d13a438d 100644
--- a/src/parse.y
+++ b/src/parse.y
@@ -330,6 +330,36 @@ expr:
 			{
 			zeek::detail::set_location(@1, @2);
 			$$ = new zeek::detail::NegExpr({zeek::AdoptRef{}, $2});
+
+			if ( ! $$->IsError() && $2->IsConst() )
+				{
+				auto v = $2->ExprVal();
+				auto tag = v->GetType()->Tag();
+
+				if ( tag == zeek::TYPE_COUNT )
+					{
+					auto c = v->AsCount();
+					uint64_t int_max = static_cast<uint64_t>(INT64_MAX) + 1;
+
+					if ( c <= int_max )
+						{
+						auto ce = new zeek::detail::ConstExpr(zeek::val_mgr->Int(-c));
+						Unref($$);
+						$$ = ce;
+						}
+					else
+						{
+						$$->Error("literal is outside range of 'int' values");
+						$$->SetError();
+						}
+					}
+				else
+					{
+					auto ce = new zeek::detail::ConstExpr($$->Eval(nullptr));
+					Unref($$);
+					$$ = ce;
+					}
+				}
 			}
 
 	|	'+' expr	%prec '!'
diff --git a/testing/btest/Baseline/language.int-negation-range/out b/testing/btest/Baseline/language.int-negation-range/out
new file mode 100644
index 0000000000..161e8467b5
--- /dev/null
+++ b/testing/btest/Baseline/language.int-negation-range/out
@@ -0,0 +1,2 @@
+error in /home/jon/pro/zeek/zeek/testing/btest/.tmp/language.int-negation-range/int-negation-range.zeek, line 8: literal is outside range of 'int' values (-9223372036854775809)
+error in /home/jon/pro/zeek/zeek/testing/btest/.tmp/language.int-negation-range/int-negation-range.zeek, line 9: literal is outside range of 'int' values (-9223372036854775810)
diff --git a/testing/btest/language/int-negation-range.zeek b/testing/btest/language/int-negation-range.zeek
new file mode 100644
index 0000000000..ae7b4ede3f
--- /dev/null
+++ b/testing/btest/language/int-negation-range.zeek
@@ -0,0 +1,9 @@
+# @TEST-EXEC-FAIL: zeek -b %INPUT >out 2>&1
+# @TEST-EXEC: TEST_DIFF_CANONIFIER=$SCRIPTS/diff-remove-abspath btest-diff out
+
+local i_min = -9223372036854775808;
+local i_min_p1 = -9223372036854775807;
+
+# These should be caught at parse-time as outside the range of a 64-bit ints.
+local i_min_m1 = -9223372036854775809;
+local i_min_m2 = -9223372036854775810;