diff --git a/pcsx2-qt/QtHost.cpp b/pcsx2-qt/QtHost.cpp
index 3fbb94b1f3..eecf9f23ab 100644
--- a/pcsx2-qt/QtHost.cpp
+++ b/pcsx2-qt/QtHost.cpp
@@ -1398,7 +1398,7 @@ std::optional<bool> QtHost::DownloadFile(QWidget* parent, const QString& title,
 	QtModalProgressCallback progress(parent);
 	progress.GetDialog().setLabelText(
 		qApp->translate("EmuThread", "Downloading %1...").arg(QtUtils::StringViewToQString(
-			std::string_view(url).substr((url_file_part_pos >= 0) ? (url_file_part_pos + 1) : 0))));
+			std::string_view(url).substr((url_file_part_pos != std::string::npos) ? (url_file_part_pos + 1) : 0))));
 	progress.GetDialog().setWindowTitle(title);
 	progress.GetDialog().setWindowIcon(GetAppIcon());
 	progress.SetCancellable(true);
diff --git a/pcsx2/GS/GSCapture.cpp b/pcsx2/GS/GSCapture.cpp
index f0c7c178e1..73c4e9cc34 100644
--- a/pcsx2/GS/GSCapture.cpp
+++ b/pcsx2/GS/GSCapture.cpp
@@ -25,11 +25,13 @@
 #include <mutex>
 #include <string>
 
+// We're using deprecated fields because we're targeting multiple ffmpeg versions.
 #if defined(_MSC_VER)
 #pragma warning(disable:4996) // warning C4996: 'AVCodecContext::channels': was declared deprecated
 #elif defined (__clang__)
-// We're using deprecated fields because we're targeting multiple ffmpeg versions.
 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
+#elif defined (__GNUC__)
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 #endif
 
 extern "C" {
@@ -1359,7 +1361,7 @@ std::string GSCapture::GetNextCaptureFileName()
 	// Should end with a number.
 	int partnum = 2;
 	std::string_view::size_type pos = name.rfind("_part");
-	if (pos >= 0)
+	if (pos != std::string_view::npos)
 	{
 		std::string_view::size_type cpos = pos + 5;
 		for (; cpos < name.length(); cpos++)