diff --git a/src/oplsynth/music_opldumper_mididevice.cpp b/src/oplsynth/music_opldumper_mididevice.cpp
index 33e026c07..46dcdfef2 100644
--- a/src/oplsynth/music_opldumper_mididevice.cpp
+++ b/src/oplsynth/music_opldumper_mididevice.cpp
@@ -113,7 +113,7 @@ public:
 		BYTE chipnum = reg >> 8;
 		if (chipnum != CurChip)
 		{
-			BYTE switcher[2] = { chipnum + 1, 2 };
+			BYTE switcher[2] = { (BYTE)(chipnum + 1), 2 };
 			fwrite(switcher, 1, 2, File);
 		}
 		reg &= 255;
@@ -192,7 +192,7 @@ public:
 			   "\0\0\0\0"	// Total milliseconds
 			   "\0\0\0",	// Total data
 			   1, 20, File);
-		char type[4] = { Dual * 2, 0, 0, 0 };	// Single or dual OPL-2
+		char type[4] = { (char)(Dual * 2), 0, 0, 0 };	// Single or dual OPL-2
 		fwrite(type, 1, 4, File);
 	}
 	virtual ~OPL_DOSBOXdump()
diff --git a/src/sound/oalsound.cpp b/src/sound/oalsound.cpp
index 6d7cb210e..447de49f9 100644
--- a/src/sound/oalsound.cpp
+++ b/src/sound/oalsound.cpp
@@ -634,7 +634,7 @@ ALCdevice *OpenALSoundRenderer::InitDevice()
 		{
 			device = alcOpenDevice(*snd_aldevice);
 			if(!device)
-				Printf(TEXTCOLOR_BLUE" Failed to open device "TEXTCOLOR_BOLD"%s"TEXTCOLOR_BLUE". Trying default.\n", *snd_aldevice);
+				Printf(TEXTCOLOR_BLUE" Failed to open device " TEXTCOLOR_BOLD"%s" TEXTCOLOR_BLUE". Trying default.\n", *snd_aldevice);
 		}
 
 		if(!device)
@@ -674,13 +674,13 @@ OpenALSoundRenderer::OpenALSoundRenderer()
         current = alcGetString(Device, ALC_ALL_DEVICES_SPECIFIER);
     if(alcGetError(Device) != ALC_NO_ERROR || !current)
         current = alcGetString(Device, ALC_DEVICE_SPECIFIER);
-    Printf("  Opened device "TEXTCOLOR_ORANGE"%s\n", current);
+    Printf("  Opened device " TEXTCOLOR_ORANGE"%s\n", current);
 
     ALCint major=0, minor=0;
     alcGetIntegerv(Device, ALC_MAJOR_VERSION, 1, &major);
     alcGetIntegerv(Device, ALC_MINOR_VERSION, 1, &minor);
-    DPrintf("  ALC Version: "TEXTCOLOR_BLUE"%d.%d\n", major, minor);
-    DPrintf("  ALC Extensions: "TEXTCOLOR_ORANGE"%s\n", alcGetString(Device, ALC_EXTENSIONS));
+    DPrintf("  ALC Version: " TEXTCOLOR_BLUE"%d.%d\n", major, minor);
+    DPrintf("  ALC Extensions: " TEXTCOLOR_ORANGE"%s\n", alcGetString(Device, ALC_EXTENSIONS));
 
     TArray<ALCint> attribs;
     if(*snd_samplerate > 0)
@@ -710,10 +710,10 @@ OpenALSoundRenderer::OpenALSoundRenderer()
     }
     attribs.Clear();
 
-    DPrintf("  Vendor: "TEXTCOLOR_ORANGE"%s\n", alGetString(AL_VENDOR));
-    DPrintf("  Renderer: "TEXTCOLOR_ORANGE"%s\n", alGetString(AL_RENDERER));
-    DPrintf("  Version: "TEXTCOLOR_ORANGE"%s\n", alGetString(AL_VERSION));
-    DPrintf("  Extensions: "TEXTCOLOR_ORANGE"%s\n", alGetString(AL_EXTENSIONS));
+    DPrintf("  Vendor: " TEXTCOLOR_ORANGE"%s\n", alGetString(AL_VENDOR));
+    DPrintf("  Renderer: " TEXTCOLOR_ORANGE"%s\n", alGetString(AL_RENDERER));
+    DPrintf("  Version: " TEXTCOLOR_ORANGE"%s\n", alGetString(AL_VERSION));
+    DPrintf("  Extensions: " TEXTCOLOR_ORANGE"%s\n", alGetString(AL_EXTENSIONS));
 
     ALC.EXT_EFX = !!alcIsExtensionPresent(Device, "ALC_EXT_EFX");
     ALC.EXT_disconnect = !!alcIsExtensionPresent(Device, "ALC_EXT_disconnect");;
@@ -775,7 +775,7 @@ OpenALSoundRenderer::OpenALSoundRenderer()
         return;
     }
     FreeSfx = Sources;
-    DPrintf("  Allocated "TEXTCOLOR_BLUE"%u"TEXTCOLOR_NORMAL" sources\n", Sources.Size());
+    DPrintf("  Allocated " TEXTCOLOR_BLUE"%u" TEXTCOLOR_NORMAL" sources\n", Sources.Size());
 
     WasInWater = false;
     if(*snd_efx && ALC.EXT_EFX)
@@ -1735,7 +1735,7 @@ float OpenALSoundRenderer::GetAudibility(FISoundChannel *chan)
 
 void OpenALSoundRenderer::PrintStatus()
 {
-    Printf("Output device: "TEXTCOLOR_ORANGE"%s\n", alcGetString(Device, ALC_DEVICE_SPECIFIER));
+    Printf("Output device: " TEXTCOLOR_ORANGE"%s\n", alcGetString(Device, ALC_DEVICE_SPECIFIER));
     getALCError(Device);
 
     ALCint frequency, major, minor, mono, stereo;
@@ -1746,10 +1746,10 @@ void OpenALSoundRenderer::PrintStatus()
     alcGetIntegerv(Device, ALC_STEREO_SOURCES, 1, &stereo);
     if(getALCError(Device) == AL_NO_ERROR)
     {
-        Printf("Device sample rate: "TEXTCOLOR_BLUE"%d"TEXTCOLOR_NORMAL"hz\n", frequency);
-        Printf("ALC Version: "TEXTCOLOR_BLUE"%d.%d\n", major, minor);
-        Printf("ALC Extensions: "TEXTCOLOR_ORANGE"%s\n", alcGetString(Device, ALC_EXTENSIONS));
-        Printf("Available sources: "TEXTCOLOR_BLUE"%d"TEXTCOLOR_NORMAL" ("TEXTCOLOR_BLUE"%d"TEXTCOLOR_NORMAL" mono, "TEXTCOLOR_BLUE"%d"TEXTCOLOR_NORMAL" stereo)\n", mono+stereo, mono, stereo);
+        Printf("Device sample rate: " TEXTCOLOR_BLUE"%d" TEXTCOLOR_NORMAL"hz\n", frequency);
+        Printf("ALC Version: " TEXTCOLOR_BLUE"%d.%d\n", major, minor);
+        Printf("ALC Extensions: " TEXTCOLOR_ORANGE"%s\n", alcGetString(Device, ALC_EXTENSIONS));
+        Printf("Available sources: " TEXTCOLOR_BLUE"%d" TEXTCOLOR_NORMAL" (" TEXTCOLOR_BLUE"%d" TEXTCOLOR_NORMAL" mono, " TEXTCOLOR_BLUE"%d" TEXTCOLOR_NORMAL" stereo)\n", mono+stereo, mono, stereo);
     }
     if(!alcIsExtensionPresent(Device, "ALC_EXT_EFX"))
         Printf("EFX not found\n");
@@ -1761,14 +1761,14 @@ void OpenALSoundRenderer::PrintStatus()
         alcGetIntegerv(Device, ALC_MAX_AUXILIARY_SENDS, 1, &sends);
         if(getALCError(Device) == AL_NO_ERROR)
         {
-            Printf("EFX Version: "TEXTCOLOR_BLUE"%d.%d\n", major, minor);
-            Printf("Auxiliary sends: "TEXTCOLOR_BLUE"%d\n", sends);
+            Printf("EFX Version: " TEXTCOLOR_BLUE"%d.%d\n", major, minor);
+            Printf("Auxiliary sends: " TEXTCOLOR_BLUE"%d\n", sends);
         }
     }
-    Printf("Vendor: "TEXTCOLOR_ORANGE"%s\n", alGetString(AL_VENDOR));
-    Printf("Renderer: "TEXTCOLOR_ORANGE"%s\n", alGetString(AL_RENDERER));
-    Printf("Version: "TEXTCOLOR_ORANGE"%s\n", alGetString(AL_VERSION));
-    Printf("Extensions: "TEXTCOLOR_ORANGE"%s\n", alGetString(AL_EXTENSIONS));
+    Printf("Vendor: " TEXTCOLOR_ORANGE"%s\n", alGetString(AL_VENDOR));
+    Printf("Renderer: " TEXTCOLOR_ORANGE"%s\n", alGetString(AL_RENDERER));
+    Printf("Version: " TEXTCOLOR_ORANGE"%s\n", alGetString(AL_VERSION));
+    Printf("Extensions: " TEXTCOLOR_ORANGE"%s\n", alGetString(AL_EXTENSIONS));
     getALError();
 }
 
@@ -1783,7 +1783,7 @@ FString OpenALSoundRenderer::GatherStats()
     uint32 unused = FreeSfx.Size();
 
     FString out;
-    out.Format("%u sources ("TEXTCOLOR_YELLOW"%u"TEXTCOLOR_NORMAL" active, "TEXTCOLOR_YELLOW"%u"TEXTCOLOR_NORMAL" free), Update interval: "TEXTCOLOR_YELLOW"%d"TEXTCOLOR_NORMAL"ms",
+    out.Format("%u sources (" TEXTCOLOR_YELLOW"%u" TEXTCOLOR_NORMAL" active, " TEXTCOLOR_YELLOW"%u" TEXTCOLOR_NORMAL" free), Update interval: " TEXTCOLOR_YELLOW"%d" TEXTCOLOR_NORMAL"ms",
                total, used, unused, 1000/updates);
     return out;
 }