diff --git a/Storage/Tape/Formats/CAS.cpp b/Storage/Tape/Formats/CAS.cpp
index 0d9dec328..2de796495 100644
--- a/Storage/Tape/Formats/CAS.cpp
+++ b/Storage/Tape/Formats/CAS.cpp
@@ -60,7 +60,7 @@ namespace {
 }
 
 CAS::CAS(const std::string &file_name) {
-	Storage::FileHolder file(file_name);
+	Storage::FileHolder file(file_name, FileHolder::FileMode::Read);
 
 	enum class Mode {
 		Seeking,
diff --git a/Storage/Tape/Formats/CSW.cpp b/Storage/Tape/Formats/CSW.cpp
index 4b6e04721..40f8ba700 100644
--- a/Storage/Tape/Formats/CSW.cpp
+++ b/Storage/Tape/Formats/CSW.cpp
@@ -16,7 +16,7 @@ using namespace Storage::Tape;
 
 CSW::CSW(const std::string &file_name) :
 	source_data_pointer_(0) {
-	Storage::FileHolder file(file_name);
+	Storage::FileHolder file(file_name, FileHolder::FileMode::Read);
 	if(file.stats().st_size < 0x20) throw ErrorNotCSW;
 
 	// Check signature.
diff --git a/Storage/Tape/Formats/CommodoreTAP.cpp b/Storage/Tape/Formats/CommodoreTAP.cpp
index 40fd30658..c9049bb6c 100644
--- a/Storage/Tape/Formats/CommodoreTAP.cpp
+++ b/Storage/Tape/Formats/CommodoreTAP.cpp
@@ -13,7 +13,7 @@
 using namespace Storage::Tape;
 
 CommodoreTAP::CommodoreTAP(const std::string &file_name) :
-	file_(file_name)
+	file_(file_name, FileHolder::FileMode::Read)
 {
 	if(!file_.check_signature("C64-TAPE-RAW"))
 		throw ErrorNotCommodoreTAP;
diff --git a/Storage/Tape/Formats/OricTAP.cpp b/Storage/Tape/Formats/OricTAP.cpp
index 9b13dc1b1..0a6441483 100644
--- a/Storage/Tape/Formats/OricTAP.cpp
+++ b/Storage/Tape/Formats/OricTAP.cpp
@@ -13,7 +13,7 @@
 using namespace Storage::Tape;
 
 OricTAP::OricTAP(const std::string &file_name) :
-	file_(file_name)
+	file_(file_name, FileHolder::FileMode::Read)
 {
 	// Check for a sequence of at least three 0x16s followed by a 0x24.
 	while(true) {
diff --git a/Storage/Tape/Formats/TZX.cpp b/Storage/Tape/Formats/TZX.cpp
index 230194425..2a41bf362 100644
--- a/Storage/Tape/Formats/TZX.cpp
+++ b/Storage/Tape/Formats/TZX.cpp
@@ -22,7 +22,7 @@ Log::Logger<Log::Source::TZX> logger;
 }
 
 TZX::TZX(const std::string &file_name) :
-	file_(file_name),
+	file_(file_name, FileHolder::FileMode::Read),
 	current_level_(false) {
 
 	// Check for signature followed by a 0x1a
diff --git a/Storage/Tape/Formats/TapePRG.cpp b/Storage/Tape/Formats/TapePRG.cpp
index f18162ba0..48f335acb 100644
--- a/Storage/Tape/Formats/TapePRG.cpp
+++ b/Storage/Tape/Formats/TapePRG.cpp
@@ -49,7 +49,7 @@
 using namespace Storage::Tape;
 
 PRG::PRG(const std::string &file_name) :
-	file_(file_name)
+	file_(file_name, FileHolder::FileMode::Read)
 {
 	// There's really no way to validate other than that if this file is larger than 64kb,
 	// of if load address + length > 65536 then it's broken.
diff --git a/Storage/Tape/Formats/ZX80O81P.cpp b/Storage/Tape/Formats/ZX80O81P.cpp
index e10b1b74e..16145727f 100644
--- a/Storage/Tape/Formats/ZX80O81P.cpp
+++ b/Storage/Tape/Formats/ZX80O81P.cpp
@@ -12,7 +12,7 @@
 using namespace Storage::Tape;
 
 ZX80O81P::ZX80O81P(const std::string &file_name) {
-	Storage::FileHolder file(file_name);
+	Storage::FileHolder file(file_name, FileHolder::FileMode::Read);
 
 	// Grab the actual file contents
 	data_.resize(size_t(file.stats().st_size));