diff --git a/src/link/main.c b/src/link/main.c
index cc8e2e73..4f0e7bf1 100644
--- a/src/link/main.c
+++ b/src/link/main.c
@@ -124,7 +124,7 @@ _Noreturn void fatal(struct FileStackNode const *where, uint32_t lineNo, char co
 {
 	va_list ap;
 
-	fputs("fatal: ", stderr);
+	fputs("FATAL: ", stderr);
 	if (where) {
 		dumpFileStack(where);
 		fprintf(stderr, "(%" PRIu32 "): ", lineNo);
@@ -425,7 +425,7 @@ int main(int argc, char *argv[])
 
 	/* If no input files were specified, the user must have screwed up */
 	if (curArgIndex == argc) {
-		fputs("fatal: no input files\n", stderr);
+		fputs("FATAL: no input files\n", stderr);
 		printUsage();
 		exit(1);
 	}
diff --git a/test/link/assert.out b/test/link/assert.out
index e533a048..5cb54bad 100644
--- a/test/link/assert.out
+++ b/test/link/assert.out
@@ -1,4 +1,4 @@
 warning: assert.asm(7): Worry about me, but not too much.
 error: assert.asm(8): Okay, this is getting serious!
-fatal: assert.asm(9): It all ends now.
+FATAL: assert.asm(9): It all ends now.
 Linking aborted after 2 errors
diff --git a/test/link/cascading-errors-fatal-assert.out b/test/link/cascading-errors-fatal-assert.out
index bd42de5a..5a6a207f 100644
--- a/test/link/cascading-errors-fatal-assert.out
+++ b/test/link/cascading-errors-fatal-assert.out
@@ -1,3 +1,3 @@
 error: cascading-errors-fatal-assert.asm(1): Unknown symbol "UnknownSymbol"
-fatal: cascading-errors-fatal-assert.asm(1): couldn't evaluate assertion
+FATAL: cascading-errors-fatal-assert.asm(1): couldn't evaluate assertion
 Linking aborted after 2 errors