diff --git a/Source/Core/Core/Movie.cpp b/Source/Core/Core/Movie.cpp
index b2d2a4fc52..3834f417b8 100644
--- a/Source/Core/Core/Movie.cpp
+++ b/Source/Core/Core/Movie.cpp
@@ -103,6 +103,14 @@ static void EnsureTmpInputSize(size_t bound)
 	tmpInput = newTmpInput;
 }
 
+static bool IsMovieHeader(u8 magic[4])
+{
+	return magic[0] == 'D' &&
+	       magic[1] == 'T' &&
+	       magic[2] == 'M' &&
+	       magic[3] == 0x1A;
+}
+
 std::string GetInputDisplay()
 {
 	if (!IsPlayingInput() && !IsRecordingInput())
@@ -730,10 +738,7 @@ bool PlayInput(const std::string& filename)
 
 	g_recordfd.ReadArray(&tmpHeader, 1);
 
-	if (tmpHeader.filetype[0] != 'D' ||
-	    tmpHeader.filetype[1] != 'T' ||
-	    tmpHeader.filetype[2] != 'M' ||
-	    tmpHeader.filetype[3] != 0x1A)
+	if (!IsMovieHeader(tmpHeader.filetype))
 	{
 		PanicAlertT("Invalid recording file");
 		goto cleanup;
@@ -801,7 +806,7 @@ void LoadInput(const std::string& filename)
 
 	t_record.ReadArray(&tmpHeader, 1);
 
-	if (tmpHeader.filetype[0] != 'D' || tmpHeader.filetype[1] != 'T' || tmpHeader.filetype[2] != 'M' || tmpHeader.filetype[3] != 0x1A)
+	if (!IsMovieHeader(tmpHeader.filetype))
 	{
 		PanicAlertT("Savestate movie %s is corrupted, movie recording stopping...", filename.c_str());
 		EndPlayInput(false);