diff --git a/skimage/measure/profile.py b/skimage/measure/profile.py
index 823bd9da..5a754ee3 100644
--- a/skimage/measure/profile.py
+++ b/skimage/measure/profile.py
@@ -59,23 +59,17 @@ def profile_line(img, src, dst, linewidth=1,
     line_col = np.linspace(src_col, dst_col, length)
     line_row = np.linspace(src_row, dst_row, length)
 
-    # this if clause is necessary to keep the line centered on the true
-    # source and destination points. Otherwise, the computed line has
-    # an offset of `linewidth / 2`
-    if linewidth <= 1:
-        perp_lines = np.array([line_row[:, np.newaxis],
-                               line_col[:, np.newaxis]])
-    else:
-        # we subtract 1 from linewidth to change from pixel-counting
-        # (make this line 3 pixels wide) to point distances (the
-        # distance between pixel centers)
-        col_width = (linewidth - 1) * np.sin(-theta) / 2
-        row_width = (linewidth - 1) * np.cos(theta) / 2
-        perp_rows = np.array([np.linspace(row_i - row_width, row_i + row_width,
-                                          linewidth) for row_i in line_row])
-        perp_cols = np.array([np.linspace(col_i - col_width, col_i + col_width,
-                                          linewidth) for col_i in line_col])
-        perp_lines = np.array([perp_rows, perp_cols])
+    # we subtract 1 from linewidth to change from pixel-counting
+    # (make this line 3 pixels wide) to point distances (the
+    # distance between pixel centers)
+    col_width = (linewidth - 1) * np.sin(-theta) / 2
+    row_width = (linewidth - 1) * np.cos(theta) / 2
+    perp_rows = np.array([np.linspace(row_i - row_width, row_i + row_width,
+                                      linewidth) for row_i in line_row])
+    perp_cols = np.array([np.linspace(col_i - col_width, col_i + col_width,
+                                      linewidth) for col_i in line_col])
+    perp_lines = np.array([perp_rows, perp_cols])
+
     if img.ndim == 3:
         pixels = [nd.map_coordinates(img[..., i], perp_lines,
                                      order=order, mode=mode, cval=cval)