diff --git a/source/blender/imbuf/intern/allocimbuf.c b/source/blender/imbuf/intern/allocimbuf.c
index 9b114f94cb0..5dff3e1aea0 100644
--- a/source/blender/imbuf/intern/allocimbuf.c
+++ b/source/blender/imbuf/intern/allocimbuf.c
@@ -351,7 +351,7 @@ ImBuf *IMB_allocImBuf(unsigned int x, unsigned int y, uchar planes, unsigned int
 		ibuf->planes = planes;
 		ibuf->ftype = TGA;
 		ibuf->channels = 4;  /* float option, is set to other values when buffers get assigned */
-		ibuf->ppm[0] = ibuf->ppm[1] = 72.0 / 0.0254; /* 72dpi -> pixels-per-meter */
+		ibuf->ppm[0] = ibuf->ppm[1] = IMB_DPI_DEFAULT / 0.0254; /* IMB_DPI_DEFAULT -> pixels-per-meter */
 		
 		if (flags & IB_rect) {
 			if (imb_addrectImBuf(ibuf) == FALSE) {
diff --git a/source/blender/imbuf/intern/imbuf.h b/source/blender/imbuf/intern/imbuf.h
index 47b4b7b6a58..999aae81cb7 100644
--- a/source/blender/imbuf/intern/imbuf.h
+++ b/source/blender/imbuf/intern/imbuf.h
@@ -72,5 +72,7 @@ typedef unsigned char uchar;
 #define TRUE 1
 #define FALSE 0
 
+#define IMB_DPI_DEFAULT 72.0f
+
 #endif	/* __IMBUF_H__ */
 
diff --git a/source/blender/imbuf/intern/tiff.c b/source/blender/imbuf/intern/tiff.c
index 556ec64e59a..30dc61544b4 100644
--- a/source/blender/imbuf/intern/tiff.c
+++ b/source/blender/imbuf/intern/tiff.c
@@ -811,7 +811,7 @@ int imb_savetiff(ImBuf *ibuf, const char *name, int flags)
 		yres = (float)(ibuf->ppm[1] * 0.0254);
 	}
 	else {
-		xres = yres = 150.0f;
+		xres = yres = IMB_DPI_DEFAULT;
 	}
 
 	TIFFSetField(image, TIFFTAG_XRESOLUTION,     xres);