diff --git a/src/futils.cpp b/src/futils.cpp
index fd9dcf46c2..8e0ecfce56 100644
--- a/src/futils.cpp
+++ b/src/futils.cpp
@@ -59,11 +59,11 @@ namespace fs = std::filesystem;
 #endif
 
 namespace Exiv2 {
-constexpr std::array<const char*, 2> ENVARDEF{
+constexpr std::array ENVARDEF{
     "/exiv2.php",
     "40",
 };  /// @brief default URL for http exiv2 handler and time-out
-constexpr std::array<const char*, 2> ENVARKEY{
+constexpr std::array ENVARKEY{
     "EXIV2_HTTP_POST",
     "EXIV2_TIMEOUT",
 };  /// @brief request keys for http exiv2 handler and time-out
diff --git a/src/http.cpp b/src/http.cpp
index c5560a06de..628047603d 100644
--- a/src/http.cpp
+++ b/src/http.cpp
@@ -54,7 +54,7 @@ static constexpr auto httpTemplate =
 #define FINISH (-999)
 #define OK(s) (200 <= (s) && (s) < 300)
 
-static constexpr std::array<const char*, 2> blankLines{
+static constexpr std::array blankLines{
     "\r\n\r\n",  // this is the standard
     "\n\n",      // this is commonly sent by CGI scripts
 };