diff --git a/Source/Core/Core/IOS/USB/Bluetooth/WiimoteDevice.cpp b/Source/Core/Core/IOS/USB/Bluetooth/WiimoteDevice.cpp
index e5a65ffb93..13b77eb1ad 100644
--- a/Source/Core/Core/IOS/USB/Bluetooth/WiimoteDevice.cpp
+++ b/Source/Core/Core/IOS/USB/Bluetooth/WiimoteDevice.cpp
@@ -212,13 +212,12 @@ bool WiimoteDevice::IsConnected() const
 
 void WiimoteDevice::Activate(bool connect)
 {
-  const char* message = nullptr;
-
   if (connect && m_baseband_state == BasebandState::Inactive)
   {
     SetBasebandState(BasebandState::RequestConnection);
 
-    message = "Wii Remote {} connected";
+    Core::DisplayMessage(fmt::format("Wii Remote {} connected", GetNumber() + 1),
+                         CONNECTION_MESSAGE_TIME);
   }
   else if (!connect && IsConnected())
   {
@@ -228,11 +227,9 @@ void WiimoteDevice::Activate(bool connect)
     // Not doing that doesn't seem to break anything.
     m_host->RemoteDisconnect(GetBD());
 
-    message = "Wii Remote {} disconnected";
+    Core::DisplayMessage(fmt::format("Wii Remote {} disconnected", GetNumber() + 1),
+                         CONNECTION_MESSAGE_TIME);
   }
-
-  if (message)
-    Core::DisplayMessage(fmt::format(message, GetNumber() + 1), CONNECTION_MESSAGE_TIME);
 }
 
 bool WiimoteDevice::EventConnectionRequest()
diff --git a/Source/Core/DiscIO/DiscUtils.cpp b/Source/Core/DiscIO/DiscUtils.cpp
index 002ce066db..cdfcb015c4 100644
--- a/Source/Core/DiscIO/DiscUtils.cpp
+++ b/Source/Core/DiscIO/DiscUtils.cpp
@@ -45,7 +45,7 @@ std::string NameForPartitionType(u32 partition_type, bool include_prefix)
       return include_prefix ? "P-" + type_as_game_id : type_as_game_id;
     }
 
-    return fmt::format(include_prefix ? "P{}" : "{}", partition_type);
+    return fmt::format("{}{}", include_prefix ? "P" : "", partition_type);
   }
 }
 
diff --git a/Source/Core/VideoCommon/BPMemory.h b/Source/Core/VideoCommon/BPMemory.h
index 14a6935cbe..0d21166094 100644
--- a/Source/Core/VideoCommon/BPMemory.h
+++ b/Source/Core/VideoCommon/BPMemory.h
@@ -565,9 +565,9 @@ struct fmt::formatter<TevStageCombiner::ColorCombiner>
       if (has_bias)
       {
         if (has_ac || has_bc || has_d)
-          out = fmt::format_to(out, cc.bias == TevBias::AddHalf ? " + .5" : " - .5");
+          out = fmt::format_to(out, "{}", cc.bias == TevBias::AddHalf ? " + .5" : " - .5");
         else
-          out = fmt::format_to(out, cc.bias == TevBias::AddHalf ? ".5" : "-.5");
+          out = fmt::format_to(out, "{}", cc.bias == TevBias::AddHalf ? ".5" : "-.5");
       }
       else
       {
@@ -659,9 +659,9 @@ struct fmt::formatter<TevStageCombiner::AlphaCombiner>
       if (has_bias)
       {
         if (has_ac || has_bc || has_d)
-          out = fmt::format_to(out, ac.bias == TevBias::AddHalf ? " + .5" : " - .5");
+          out = fmt::format_to(out, "{}", ac.bias == TevBias::AddHalf ? " + .5" : " - .5");
         else
-          out = fmt::format_to(out, ac.bias == TevBias::AddHalf ? ".5" : "-.5");
+          out = fmt::format_to(out, "{}", ac.bias == TevBias::AddHalf ? ".5" : "-.5");
       }
       else
       {
diff --git a/Source/Core/VideoCommon/PixelShaderGen.cpp b/Source/Core/VideoCommon/PixelShaderGen.cpp
index 8aaba2e4e0..673c97ec9b 100644
--- a/Source/Core/VideoCommon/PixelShaderGen.cpp
+++ b/Source/Core/VideoCommon/PixelShaderGen.cpp
@@ -5,6 +5,7 @@
 
 #include <cmath>
 #include <cstdio>
+#include <fmt/format.h>
 
 #include "Common/Assert.h"
 #include "Common/CommonTypes.h"
@@ -1819,7 +1820,7 @@ static void WriteAlphaTest(ShaderCode& out, const pixel_shader_uid_data* uid_dat
     if (has_no_arguments)
       out.Write("{}", tev_alpha_funcs_table[mode]);
     else
-      out.Write(tev_alpha_funcs_table[mode], ref);
+      out.Write(fmt::runtime(tev_alpha_funcs_table[mode]), ref);
   };
 
   out.SetConstantsUsed(C_ALPHA, C_ALPHA);
diff --git a/Source/Core/VideoCommon/XFStructs.cpp b/Source/Core/VideoCommon/XFStructs.cpp
index be565c6de0..33e148d043 100644
--- a/Source/Core/VideoCommon/XFStructs.cpp
+++ b/Source/Core/VideoCommon/XFStructs.cpp
@@ -594,7 +594,7 @@ std::pair<std::string, std::string> GetXFTransferInfo(u16 base_address, u8 trans
     for (u32 i = 0; i < xf_mem_transfer_size; i++)
     {
       const auto mem_desc = GetXFMemDescription(xf_mem_base + i, Common::swap32(data));
-      fmt::format_to(std::back_inserter(desc), i == 0 ? "{}" : "\n{}", mem_desc);
+      fmt::format_to(std::back_inserter(desc), "{}{}", i != 0 ? "\n" : "", mem_desc);
       data += 4;
     }