diff --git a/test/util.cc b/test/util.cc
index ab9667c2..d48bdc0e 100644
--- a/test/util.cc
+++ b/test/util.cc
@@ -50,7 +50,7 @@ std::string get_system_error(int error_code) {
 #endif
 }
 
-const char FILE_CONTENT[] = "Don't panic!";
+const char *FILE_CONTENT = "Don't panic!";
 
 fmt::BufferedFile open_buffered_file(FILE **fp) {
   fmt::File read_end, write_end;
diff --git a/test/util.h b/test/util.h
index e6e0982a..dc69bef1 100644
--- a/test/util.h
+++ b/test/util.h
@@ -52,7 +52,7 @@ void increment(char *s);
 
 std::string get_system_error(int error_code);
 
-extern const char FILE_CONTENT[];
+extern const char *FILE_CONTENT;
 
 // Opens a buffered file for reading.
 fmt::BufferedFile open_buffered_file(FILE **fp = 0);