diff --git a/aegisub/src/Makefile b/aegisub/src/Makefile
index 2c3547567..e1e1b92f9 100644
--- a/aegisub/src/Makefile
+++ b/aegisub/src/Makefile
@@ -99,14 +99,15 @@ endif
 #####################
 # SOURCE-LEVEL CFLAGS
 #####################
-audio_player.o:					CXXFLAGS += $(CFLAGS_ALSA) $(CFLAGS_PORTAUDIO) $(CFLAGS_LIBPULSE) $(CFLAGS_OPENAL)
-audio_provider.o:				CXXFLAGS += $(CFLAGS_FFMPEGSOURCE)
-auto4_base.o:					CXXFLAGS += $(CFLAGS_FREETYPE)
-charset_detect.o:				CXXFLAGS += -D_X86_
-font_file_lister_fontconfig.o:	CXXFLAGS += $(CFLAGS_FONTCONFIG) $(CFLAGS_FREETYPE)
-font_file_lister.o:				CXXFLAGS += $(CFLAGS_FREETYPE)
-text_file_reader.o:				CXXFLAGS += -D_X86_
-video_provider_manager.o:		CXXFLAGS += $(CFLAGS_FFMS)
+audio_player.o:                CXXFLAGS += $(CFLAGS_ALSA) $(CFLAGS_PORTAUDIO) $(CFLAGS_LIBPULSE) $(CFLAGS_OPENAL)
+audio_provider.o:              CXXFLAGS += $(CFLAGS_FFMPEGSOURCE)
+auto4_base.o:                  CXXFLAGS += $(CFLAGS_FREETYPE)
+charset_detect.o:              CXXFLAGS += -D_X86_
+dialog_timing_processor.o:     CXXFLAGS += -D__STDC_FORMAT_MACROS
+font_file_lister_fontconfig.o: CXXFLAGS += $(CFLAGS_FONTCONFIG) $(CFLAGS_FREETYPE)
+font_file_lister.o:            CXXFLAGS += $(CFLAGS_FREETYPE)
+text_file_reader.o:            CXXFLAGS += -D_X86_
+video_provider_manager.o:      CXXFLAGS += $(CFLAGS_FFMS)
 
 
 # Ensure any optional source files above are added for compilation.
diff --git a/aegisub/src/dialog_timing_processor.cpp b/aegisub/src/dialog_timing_processor.cpp
index a0b19fc06..cd155d764 100644
--- a/aegisub/src/dialog_timing_processor.cpp
+++ b/aegisub/src/dialog_timing_processor.cpp
@@ -38,6 +38,7 @@
 
 #ifndef AGI_PRE
 #include <algorithm>
+#include <inttypes.h>
 
 #include <wx/msgdlg.h>
 #include <wx/stattext.h>
@@ -74,13 +75,13 @@ DialogTimingProcessor::DialogTimingProcessor(agi::Context *c)
 	SetIcon(BitmapToIcon(GETIMAGE(timing_processor_toolbutton_24)));
 
 	// Set variables
-	wxString leadInTime(wxString::Format("%d", OPT_GET("Audio/Lead/IN")->GetInt()));
-	wxString leadOutTime(wxString::Format("%d", OPT_GET("Audio/Lead/OUT")->GetInt()));
-	wxString thresStartBefore(wxString::Format("%d", OPT_GET("Tool/Timing Post Processor/Threshold/Key Start Before")->GetInt()));
-	wxString thresStartAfter(wxString::Format("%d", OPT_GET("Tool/Timing Post Processor/Threshold/Key Start After")->GetInt()));
-	wxString thresEndBefore(wxString::Format("%d", OPT_GET("Tool/Timing Post Processor/Threshold/Key End Before")->GetInt()));
-	wxString thresEndAfter(wxString::Format("%d", OPT_GET("Tool/Timing Post Processor/Threshold/Key End After")->GetInt()));
-	wxString adjsThresTime(wxString::Format("%d", OPT_GET("Tool/Timing Post Processor/Threshold/Adjacent")->GetInt()));
+	wxString leadInTime(wxString::Format("%" PRId64, OPT_GET("Audio/Lead/IN")->GetInt()));
+	wxString leadOutTime(wxString::Format("%" PRId64, OPT_GET("Audio/Lead/OUT")->GetInt()));
+	wxString thresStartBefore(wxString::Format("%" PRId64, OPT_GET("Tool/Timing Post Processor/Threshold/Key Start Before")->GetInt()));
+	wxString thresStartAfter(wxString::Format("%" PRId64, OPT_GET("Tool/Timing Post Processor/Threshold/Key Start After")->GetInt()));
+	wxString thresEndBefore(wxString::Format("%" PRId64, OPT_GET("Tool/Timing Post Processor/Threshold/Key End Before")->GetInt()));
+	wxString thresEndAfter(wxString::Format("%" PRId64, OPT_GET("Tool/Timing Post Processor/Threshold/Key End After")->GetInt()));
+	wxString adjsThresTime(wxString::Format("%" PRId64, OPT_GET("Tool/Timing Post Processor/Threshold/Adjacent")->GetInt()));
 
 // Styles box
 	wxSizer *LeftSizer = new wxStaticBoxSizer(wxVERTICAL,this,_("Apply to styles"));