diff --git a/src/m_anigif.c b/src/m_anigif.c
index 845099211..4e68819bc 100644
--- a/src/m_anigif.c
+++ b/src/m_anigif.c
@@ -492,8 +492,8 @@ static void GIF_framewrite(void)
 
 	// screen regions are handled in GIF_lzw
 	{
-		int d1 = (int)((100.0/NEWTICRATE)*(gif_frames+1));
-		int d2 = (int)((100.0/NEWTICRATE)*(gif_frames));
+		int d1 = (int)((100.0f/NEWTICRATE)*(gif_frames+1));
+		int d2 = (int)((100.0f/NEWTICRATE)*(gif_frames));
 		UINT16 delay = d1-d2;
 		INT32 startline;
 
diff --git a/src/sdl/mixer_sound.c b/src/sdl/mixer_sound.c
index a3c421991..3f9b09f10 100644
--- a/src/sdl/mixer_sound.c
+++ b/src/sdl/mixer_sound.c
@@ -50,8 +50,8 @@
 
 #ifdef HAVE_LIBGME
 #include "gme/gme.h"
-#define GME_TREBLE 5.0
-#define GME_BASS 1.0
+#define GME_TREBLE 5.0f
+#define GME_BASS 1.0f
 
 #ifdef HAVE_ZLIB
 #ifndef _MSC_VER