diff --git a/Source/Core/DSPCore/Src/DSPCodeUtil.cpp b/Source/Core/DSPCore/Src/DSPCodeUtil.cpp
index 889bdc50d1..3f81b67e04 100644
--- a/Source/Core/DSPCore/Src/DSPCodeUtil.cpp
+++ b/Source/Core/DSPCore/Src/DSPCodeUtil.cpp
@@ -125,7 +125,7 @@ void CodeToHeader(const std::vector<u16> &code, std::string _filename,
 	header.append("#define NUM_UCODES 1\n\n");
 	std::string filename;
 	SplitPath(_filename, NULL, &filename, NULL);
-	header.append("const char* UCODE_NAMES[NUM_UCODES] = {\"%s\"};\n\n", filename.c_str());
+	header.append(StringFromFormat("const char* UCODE_NAMES[NUM_UCODES] = {\"%s\"};\n\n", filename.c_str()));
 	header.append("#ifndef _MSCVER\n");
 	header.append("const unsigned short dsp_code[NUM_UCODES][0x1000] = {\n");
 	header.append("#else\n");
diff --git a/Source/Core/DSPCore/Src/LabelMap.cpp b/Source/Core/DSPCore/Src/LabelMap.cpp
index abedeb6860..6d3a475857 100644
--- a/Source/Core/DSPCore/Src/LabelMap.cpp
+++ b/Source/Core/DSPCore/Src/LabelMap.cpp
@@ -27,11 +27,13 @@ void LabelMap::RegisterDefaults()
 {
 	for (int i = 0; i < 0x24; i++)
 	{
-		RegisterLabel(regnames[i].name, regnames[i].addr);
+		if (regnames[i].name)
+			RegisterLabel(regnames[i].name, regnames[i].addr);
 	}
 	for (int i = 0; i < (int)pdlabels_size; i++)
 	{
-		RegisterLabel(pdlabels[i].name, pdlabels[i].addr);
+		if (pdlabels[i].name)
+			RegisterLabel(pdlabels[i].name, pdlabels[i].addr);
 	}
 }