diff --git a/Core/Util/GameManager.cpp b/Core/Util/GameManager.cpp
index 44a1675394..400ee2e904 100644
--- a/Core/Util/GameManager.cpp
+++ b/Core/Util/GameManager.cpp
@@ -199,14 +199,15 @@ static void countSlashes(const std::string &fileName, int *slashLocation, int *s
 	}
 }
 
-ZipFileContents DetectZipFileContents(const Path &fileName, ZipFileInfo *info) {
+bool DetectZipFileContents(const Path &fileName, ZipFileInfo *info) {
 	struct zip *z = ZipOpenPath(fileName);
 	if (!z) {
-		return ZipFileContents::UNKNOWN;
+		info->contents = ZipFileContents::UNKNOWN;
+		return false;
 	}
-	ZipFileContents retVal = DetectZipFileContents(z, info);
+	DetectZipFileContents(z, info);
 	zip_close(z);
-	return retVal;
+	return true;
 }
 
 inline char asciitolower(char in) {
@@ -215,7 +216,7 @@ inline char asciitolower(char in) {
 	return in;
 }
 
-ZipFileContents DetectZipFileContents(struct zip *z, ZipFileInfo *info) {
+void DetectZipFileContents(struct zip *z, ZipFileInfo *info) {
 	int numFiles = zip_get_num_files(z);
 
 	// Verify that this is a PSP zip file with the correct layout. We also try
@@ -280,21 +281,21 @@ ZipFileContents DetectZipFileContents(struct zip *z, ZipFileInfo *info) {
 
 	// If a ZIP is detected as both, let's let the memstick game interpretation prevail.
 	if (isPSPMemstickGame) {
-		return ZipFileContents::PSP_GAME_DIR;
+		info->contents = ZipFileContents::PSP_GAME_DIR;
 	} else if (isZippedISO) {
-		return ZipFileContents::ISO_FILE;
+		info->contents = ZipFileContents::ISO_FILE;
 	} else if (isTexturePack) {
 		info->stripChars = stripCharsTexturePack;
 		info->ignoreMetaFiles = true;
-		return ZipFileContents::TEXTURE_PACK;
+		info->contents = ZipFileContents::TEXTURE_PACK;
 	} else {
-		return ZipFileContents::UNKNOWN;
+		info->contents = ZipFileContents::UNKNOWN;
 	}
 }
 
 // Parameters need to be by value, since this is a thread func.
-bool GameManager::InstallGame(const Path &url, const Path &fileName, bool deleteAfter) {
-	SetCurrentThreadName("InstallGame");
+bool GameManager::InstallZipContents(const Path &url, const Path &fileName, bool deleteAfter) {
+	SetCurrentThreadName("InstallZipContents");
 
 	if (installDonePending_) {
 		ERROR_LOG(Log::HLE, "Cannot have two installs in progress at the same time");
@@ -332,9 +333,9 @@ bool GameManager::InstallGame(const Path &url, const Path &fileName, bool delete
 	}
 
 	ZipFileInfo info;
-	ZipFileContents contents = DetectZipFileContents(z, &info);
+	DetectZipFileContents(z, &info);
 	bool success = false;
-	switch (contents) {
+	switch (info.contents) {
 	case ZipFileContents::PSP_GAME_DIR:
 		INFO_LOG(Log::HLE, "Installing '%s' into '%s'", fileName.c_str(), pspGame.c_str());
 		// InstallMemstickGame contains code to close (and delete) z.
@@ -773,7 +774,7 @@ bool GameManager::InstallGameOnThread(const Path &url, const Path &fileName, boo
 	if (InstallInProgress() || installDonePending_) {
 		return false;
 	}
-	installThread_ = std::thread(std::bind(&GameManager::InstallGame, this, url, fileName, deleteAfter));
+	installThread_ = std::thread(std::bind(&GameManager::InstallZipContents, this, url, fileName, deleteAfter));
 	return true;
 }
 
diff --git a/Core/Util/GameManager.h b/Core/Util/GameManager.h
index 8ac0c6d028..a8bc419950 100644
--- a/Core/Util/GameManager.h
+++ b/Core/Util/GameManager.h
@@ -79,7 +79,7 @@ public:
 
 private:
 	// TODO: The return value on this is a bit pointless, we can't get at it.
-	bool InstallGame(const Path &url, const Path &tempFileName, bool deleteAfter);
+	bool InstallZipContents(const Path &url, const Path &tempFileName, bool deleteAfter);
 	bool InstallMemstickGame(struct zip *z, const Path &zipFile, const Path &dest, const ZipFileInfo &info, bool allowRoot, bool deleteAfter);
 	bool InstallMemstickZip(struct zip *z, const Path &zipFile, const Path &dest, const ZipFileInfo &info, bool deleteAfter);
 	bool InstallZippedISO(struct zip *z, int isoFileIndex, const Path &zipfile, bool deleteAfter);
@@ -117,6 +117,7 @@ enum class ZipFileContents {
 };
 
 struct ZipFileInfo {
+	ZipFileContents contents;
 	int numFiles;
 	int stripChars;  // for PSP game
 	int isoFileIndex;  // for ISO
@@ -124,5 +125,5 @@ struct ZipFileInfo {
 	bool ignoreMetaFiles;
 };
 
-ZipFileContents DetectZipFileContents(struct zip *z, ZipFileInfo *info);
-ZipFileContents DetectZipFileContents(const Path &fileName, ZipFileInfo *info);
+void DetectZipFileContents(struct zip *z, ZipFileInfo *info);
+bool DetectZipFileContents(const Path &fileName, ZipFileInfo *info);
diff --git a/UI/InstallZipScreen.cpp b/UI/InstallZipScreen.cpp
index 9e1c20cfd6..818f207dc3 100644
--- a/UI/InstallZipScreen.cpp
+++ b/UI/InstallZipScreen.cpp
@@ -51,9 +51,9 @@ void InstallZipScreen::CreateViews() {
 	
 	// TODO: Do in the background?
 	ZipFileInfo zipInfo{};
-	ZipFileContents contents = DetectZipFileContents(zipPath_, &zipInfo);
+	DetectZipFileContents(zipPath_, &zipInfo);  // Even if this fails, it sets zipInfo->contents.
 
-	if (contents == ZipFileContents::ISO_FILE || contents == ZipFileContents::PSP_GAME_DIR) {
+	if (zipInfo.contents == ZipFileContents::ISO_FILE || zipInfo.contents == ZipFileContents::PSP_GAME_DIR) {
 		std::string_view question = iz->T("Install game from ZIP file?");
 		leftColumn->Add(new TextView(question, ALIGN_LEFT, false, new AnchorLayoutParams(10, 10, NONE, NONE)));
 		leftColumn->Add(new TextView(shortFilename, ALIGN_LEFT, false, new AnchorLayoutParams(10, 60, NONE, NONE)));
@@ -67,7 +67,7 @@ void InstallZipScreen::CreateViews() {
 		rightColumnItems->Add(new CheckBox(&deleteZipFile_, iz->T("Delete ZIP file")));
 
 		returnToHomebrew_ = true;
-	} else if (contents == ZipFileContents::TEXTURE_PACK) {
+	} else if (zipInfo.contents == ZipFileContents::TEXTURE_PACK) {
 		std::string_view question = iz->T("Install textures from ZIP file?");
 		leftColumn->Add(new TextView(question, ALIGN_LEFT, false, new AnchorLayoutParams(10, 10, NONE, NONE)));
 		leftColumn->Add(new TextView(shortFilename, ALIGN_LEFT, false, new AnchorLayoutParams(10, 60, NONE, NONE)));