diff --git a/core/zip/inc/Compression.h b/core/zip/inc/Compression.h
index 2467357f3e1ed..1f4c26b9c00fd 100644
--- a/core/zip/inc/Compression.h
+++ b/core/zip/inc/Compression.h
@@ -110,7 +110,7 @@ struct RCompressionSetting {
 };
 
 // clang-format off
-enum R__DEPRECATED(6, 34, "Use RCompressionSetting instead") ECompressionAlgorithm {
+enum R__DEPRECATED(6, 34, "Use RCompressionSetting::EAlgorithm instead") ECompressionAlgorithm {
    kUseGlobalCompressionSetting = static_cast<int>(RCompressionSetting::EAlgorithm::kUseGlobal),
    kUseGlobalSetting = static_cast<int>(RCompressionSetting::EAlgorithm::kUseGlobal),
    kZLIB = static_cast<int>(RCompressionSetting::EAlgorithm::kZLIB),
diff --git a/core/zip/src/Compression.cxx b/core/zip/src/Compression.cxx
index 1ec32f85bc424..ac7482b226f6f 100644
--- a/core/zip/src/Compression.cxx
+++ b/core/zip/src/Compression.cxx
@@ -15,8 +15,7 @@ namespace ROOT {
 
 ////////////////////////////////////////////////////////////////////////////////
 
-  int CompressionSettings(RCompressionSetting::EAlgorithm::EValues algorithm,
-                          int compressionLevel)
+  int CompressionSettings(RCompressionSetting::EAlgorithm::EValues algorithm, int compressionLevel)
   {
     if (compressionLevel < 0) compressionLevel = 0;
     if (compressionLevel > 99) compressionLevel = 99;
@@ -25,24 +24,27 @@ namespace ROOT {
     return algo * 100 + compressionLevel;
   }
 
-  int CompressionSettings(ROOT::ECompressionAlgorithm algorithm,
-                          int compressionLevel)
+// Avoid spitting warnings for the use of ECompressionAlgorithm, as this function is itself deprecated
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+  int CompressionSettings(ROOT::ECompressionAlgorithm algorithm, int compressionLevel)
   {
     if (compressionLevel < 0) compressionLevel = 0;
     if (compressionLevel > 99) compressionLevel = 99;
     int algo = algorithm;
-    if (algorithm >= ROOT::ECompressionAlgorithm::kUndefinedCompressionAlgorithm) algo = 0;
+    if (algo >= ROOT::RCompressionSetting::EAlgorithm::kUndefined) algo = 0;
     return algo * 100 + compressionLevel;
   }
+#pragma GCC diagnostic pop
 
   std::string RCompressionSetting::AlgorithmToString(RCompressionSetting::EAlgorithm::EValues algorithm)
   {
      switch (algorithm) {
-     case EAlgorithm::EValues::kZLIB: return "zlib"; break;
-     case EAlgorithm::EValues::kLZMA: return "LZMA"; break;
-     case EAlgorithm::EValues::kOldCompressionAlgo: return "Old compression algorithm"; break;
-     case EAlgorithm::EValues::kLZ4: return "lz4"; break;
-     case EAlgorithm::EValues::kZSTD: return "zstd"; break;
+     case EAlgorithm::EValues::kZLIB: return "zlib";
+     case EAlgorithm::EValues::kLZMA: return "LZMA";
+     case EAlgorithm::EValues::kOldCompressionAlgo: return "Old compression algorithm";
+     case EAlgorithm::EValues::kLZ4: return "lz4";
+     case EAlgorithm::EValues::kZSTD: return "zstd";
      default: return "Undefined compression algorithm";
      }
   }