diff --git a/Utilities/StrFmt.cpp b/Utilities/StrFmt.cpp
index a8c77bcc3d..51ff654c17 100644
--- a/Utilities/StrFmt.cpp
+++ b/Utilities/StrFmt.cpp
@@ -286,6 +286,15 @@ struct fmt::cfmt_src
 
 		return 0;
 	}
+
+	static constexpr std::size_t size_char  = 1;
+	static constexpr std::size_t size_short = 2;
+	static constexpr std::size_t size_int   = 0;
+	static constexpr std::size_t size_long  = sizeof(ulong);
+	static constexpr std::size_t size_llong = sizeof(ullong);
+	static constexpr std::size_t size_size  = sizeof(std::size_t);
+	static constexpr std::size_t size_max   = sizeof(std::uintmax_t);
+	static constexpr std::size_t size_diff  = sizeof(std::ptrdiff_t);
 };
 
 void fmt::raw_append(std::string& out, const char* fmt, const fmt_type_info* sup, const u64* args) noexcept
diff --git a/Utilities/cfmt.h b/Utilities/cfmt.h
index 3fe0002d66..90de3c9a06 100644
--- a/Utilities/cfmt.h
+++ b/Utilities/cfmt.h
@@ -204,11 +204,11 @@ std::size_t cfmt_append(Dst& out, const Char* fmt, Src&& src)
 		else if (fmt[0] == 'h')
 		{
 			fmt++, ctx.size++;
-			ctx.type = sizeof(char);
+			ctx.type = src.size_char;
 		}
 		else
 		{
-			ctx.type = sizeof(short);
+			ctx.type = src.size_short;
 		}
 
 		break;
@@ -223,11 +223,11 @@ std::size_t cfmt_append(Dst& out, const Char* fmt, Src&& src)
 		else if (fmt[0] == 'l')
 		{
 			fmt++, ctx.size++;
-			ctx.type = sizeof(llong);
+			ctx.type = src.size_llong;
 		}
 		else
 		{
-			ctx.type = sizeof(long);
+			ctx.type = src.size_long;
 		}
 
 		break;
@@ -241,7 +241,7 @@ std::size_t cfmt_append(Dst& out, const Char* fmt, Src&& src)
 		}
 		else
 		{
-			ctx.type = sizeof(std::size_t);
+			ctx.type = src.size_size;
 		}
 
 		break;
@@ -255,7 +255,7 @@ std::size_t cfmt_append(Dst& out, const Char* fmt, Src&& src)
 		}
 		else
 		{
-			ctx.type = sizeof(std::intmax_t);
+			ctx.type = src.size_max;
 		}
 
 		break;
@@ -269,7 +269,7 @@ std::size_t cfmt_append(Dst& out, const Char* fmt, Src&& src)
 		}
 		else
 		{
-			ctx.type = sizeof(std::ptrdiff_t);
+			ctx.type = src.size_diff;
 		}
 
 		break;
@@ -339,6 +339,11 @@ std::size_t cfmt_append(Dst& out, const Char* fmt, Src&& src)
 		if (!ctx.type)
 		{
 			ctx.type = (u8)src.type(ctx.args);
+
+			if (!ctx.type)
+			{
+				ctx.type = src.size_int;
+			}
 		}
 
 		// Sign-extended argument expected
@@ -396,6 +401,11 @@ std::size_t cfmt_append(Dst& out, const Char* fmt, Src&& src)
 		if (!ctx.type)
 		{
 			ctx.type = (u8)src.type(ctx.args);
+
+			if (!ctx.type)
+			{
+				ctx.type = src.size_int;
+			}
 		}
 
 		const u64 mask =
@@ -447,6 +457,11 @@ std::size_t cfmt_append(Dst& out, const Char* fmt, Src&& src)
 		if (!ctx.type)
 		{
 			ctx.type = (u8)src.type(ctx.args);
+
+			if (!ctx.type)
+			{
+				ctx.type = src.size_int;
+			}
 		}
 
 		const u64 mask =
@@ -505,6 +520,11 @@ std::size_t cfmt_append(Dst& out, const Char* fmt, Src&& src)
 		if (!ctx.type)
 		{
 			ctx.type = (u8)src.type(ctx.args);
+
+			if (!ctx.type)
+			{
+				ctx.type = src.size_int;
+			}
 		}
 
 		const u64 mask =
diff --git a/rpcs3/Emu/Cell/Modules/sys_libc_.cpp b/rpcs3/Emu/Cell/Modules/sys_libc_.cpp
index e8e109461a..490eea1abb 100644
--- a/rpcs3/Emu/Cell/Modules/sys_libc_.cpp
+++ b/rpcs3/Emu/Cell/Modules/sys_libc_.cpp
@@ -42,6 +42,15 @@ struct ps3_fmt_src
 	{
 		return 0;
 	}
+
+	static constexpr std::size_t size_char  = 1;
+	static constexpr std::size_t size_short = 2;
+	static constexpr std::size_t size_int   = 4;
+	static constexpr std::size_t size_long  = 4;
+	static constexpr std::size_t size_llong = 8;
+	static constexpr std::size_t size_size  = 4;
+	static constexpr std::size_t size_max   = 8;
+	static constexpr std::size_t size_diff  = 4;
 };
 
 template <>