diff --git a/Common/UI/UIScreen.h b/Common/UI/UIScreen.h
index 4c1fae115e..c1bf67f2ac 100644
--- a/Common/UI/UIScreen.h
+++ b/Common/UI/UIScreen.h
@@ -49,7 +49,7 @@ public:
 	virtual bool AllowKeyboardNavigation() const { return true; }
 
 	// Process keyboard shortcuts even outside the game.
-	virtual InputMode PassInputToMapper() const { return InputMode::Keyboard; }
+	virtual InputMode PassInputToMapper() const override { return InputMode::Keyboard; }
 
 protected:
 	virtual void CreateViews() = 0;
diff --git a/Core/HLE/HLE.cpp b/Core/HLE/HLE.cpp
index 6130af10fd..7dbfc29608 100644
--- a/Core/HLE/HLE.cpp
+++ b/Core/HLE/HLE.cpp
@@ -1186,6 +1186,10 @@ void hleDoLogInternal(Log t, LogLevel level, u64 res, const char *file, int line
 		// Void. Return value should not be shown. (the first %s is the "K " string, see below).
 		fmt = "%s%s(%s)%s";
 		break;
+	case '?':
+		// Unknown return format. Should we log extra?
+		fmt = "%s%s(%s)%s";
+		break;
 	default:
 		_dbg_assert_msg_(false, "Invalid return format: %c", retmask);
 		fmt = "%s%08llx=%s(%s)%s";
diff --git a/Core/HLE/sceKernel.cpp b/Core/HLE/sceKernel.cpp
index 85df5f83ef..ac42b62e40 100644
--- a/Core/HLE/sceKernel.cpp
+++ b/Core/HLE/sceKernel.cpp
@@ -1001,7 +1001,7 @@ void Register_ExceptionManagerForKernel()
 
 // Seen in some homebrew
 const HLEFunction UtilsForKernel[] = {
-	{0xC2DF770E, WrapI_UI<sceKernelIcacheInvalidateRange>,           "sceKernelIcacheInvalidateRange",            '?', "",       HLE_KERNEL_SYSCALL },
+	{0xC2DF770E, WrapI_UI<sceKernelIcacheInvalidateRange>,           "sceKernelIcacheInvalidateRange",            'i', "xi",     HLE_KERNEL_SYSCALL },
 	{0X78934841, nullptr,                                            "sceKernelGzipDecompress",                   '?', ""        },
 	{0XE8DB3CE6, nullptr,                                            "sceKernelDeflateDecompress",                '?', ""        },
 	{0X840259F1, nullptr,                                            "sceKernelUtilsSha1Digest",                  '?', ""        },
@@ -1017,7 +1017,7 @@ const HLEFunction UtilsForKernel[] = {
 	{0X34B9FA9E, &WrapI_UI<sceKernelDcacheWritebackInvalidateRange>, "sceKernelDcacheWritebackInvalidateRange",   '?', ""        },
 	{0XB435DEC5, &WrapI_V<sceKernelDcacheWritebackInvalidateAll>,    "sceKernelDcacheWritebackInvalidateAll",     '?', ""        },
 	{0XBFA98062, &WrapI_UI<sceKernelDcacheInvalidateRange>,          "sceKernelDcacheInvalidateRange",            '?', ""        },
-	{0X920F104A, &WrapU_V<sceKernelIcacheInvalidateAll>,             "sceKernelIcacheInvalidateAll",              '?', ""        },
+	{0X920F104A, &WrapU_V<sceKernelIcacheInvalidateAll>,             "sceKernelIcacheInvalidateAll",              'i', "xi"      },
 	{0XE860E75E, nullptr,                                            "sceKernelUtilsMt19937Init",                 '?', ""        },
 	{0X06FB8A63, nullptr,                                            "sceKernelUtilsMt19937UInt",                 '?', ""        },
 };