diff --git a/src/cairo-cff-subset.c b/src/cairo-cff-subset.c
index 6f0cd66..02258fb 100644
--- a/src/cairo-cff-subset.c
+++ b/src/cairo-cff-subset.c
@@ -1128,6 +1128,7 @@ cairo_cff_font_read_font_metrics (cairo_cff_font_t *font, cairo_hash_table_t  *t
     yy = 0.001;
     p = cff_dict_get_operands (font->top_dict, FONTMATRIX_OP, &size);
     if (p) {
+	    printf("Operand is: '%.*s'\n", size, p);
         end = p + size;
         if (p < end)
             p = decode_number (p, &xx);
@@ -1140,6 +1141,7 @@ cairo_cff_font_read_font_metrics (cairo_cff_font_t *font, cairo_hash_table_t  *t
     }
     /* Freetype uses 1/yy to get units per EM */
     font->units_per_em = _cairo_round(1.0/yy);
+    printf("A: %d = 1.0/%g\n", font->units_per_em, yy);
 }
 
 static cairo_int_status_t
@@ -2686,6 +2688,7 @@ _cairo_cff_font_load_opentype_cff (cairo_cff_font_t  *font)
     font->ascent = (int16_t) be16_to_cpu (hhea.ascender);
     font->descent = (int16_t) be16_to_cpu (hhea.descender);
     font->units_per_em = (int16_t) be16_to_cpu (head.units_per_em);
+    printf("B: %d\n", font->units_per_em);
     if (font->units_per_em == 0)
         font->units_per_em = 1000;
 
diff --git a/src/cairo-truetype-subset.c b/src/cairo-truetype-subset.c
index 18ee685..1e411f0 100644
--- a/src/cairo-truetype-subset.c
+++ b/src/cairo-truetype-subset.c
@@ -223,6 +223,7 @@ _cairo_truetype_font_create (cairo_scaled_font_subset_t  *scaled_font_subset,
     font->base.ascent = (int16_t) be16_to_cpu (hhea.ascender);
     font->base.descent = (int16_t) be16_to_cpu (hhea.descender);
     font->base.units_per_em = (int16_t) be16_to_cpu (head.units_per_em);
+    printf("C: %d\n", font->base.units_per_em);
     if (font->base.units_per_em == 0)
         font->base.units_per_em = 2048;
 
diff --git a/src/cairo-type1-subset.c b/src/cairo-type1-subset.c
index e507abe..4585983 100644
--- a/src/cairo-type1-subset.c
+++ b/src/cairo-type1-subset.c
@@ -365,6 +365,7 @@ cairo_type1_font_subset_get_bbox (cairo_type1_font_subset_t *font)
 
     /* Freetype uses 1/yy to get units per EM */
     font->base.units_per_em = 1.0/yy;
+    printf("D: %g\n", font->base.units_per_em);
 
     font->base.x_min = x_min / font->base.units_per_em;
     font->base.y_min = y_min / font->base.units_per_em;