diff --git a/DESCRIPTION b/DESCRIPTION
index fab822c3..4d6e7666 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -54,7 +54,7 @@ Suggests:
   knitr
 Config/Needs/website: etiennebacher/altdoc, future.apply
 Encoding: UTF-8
-RoxygenNote: 7.3.2
+RoxygenNote: 7.3.3
 URL: https://grantmcdermott.com/tinyplot/
 BugReports: https://github.com/grantmcdermott/tinyplot/issues
 Roxygen: list(markdown = TRUE)
diff --git a/NEWS.md b/NEWS.md
index a0c3eaea..699a17e4 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -40,6 +40,8 @@ where the formatting is also better._
     plot type internally coerces it to factor (e.g., `"boxplot"`)
 - `type_text()` can now also deal with factor `x`/`y` variables by converting
   them to numeric which helps to add text to barplots etc. (#470 @zeileis)
+- Fix bug where sourced (non-interactive) scripts with `tinytheme()` calls were
+  not inheriting the correct LHS margin spacing. (#475 @grantmcdermott)
 
 
 ### Internals
diff --git a/R/facet.R b/R/facet.R
index 7f580f01..861853e2 100644
--- a/R/facet.R
+++ b/R/facet.R
@@ -33,7 +33,8 @@ draw_facet_window = function(
     has_legend,
     type,
     x, xmax, xmin,
-    y, ymax, ymin
+    y, ymax, ymin,
+    dynmar = NULL
     ) {
   
   # if add is TRUE, just return inputs without any calculations
@@ -53,7 +54,8 @@ draw_facet_window = function(
   }
 
   ## dynamic margins flag
-  dynmar = isTRUE(.tpar[["dynmar"]])
+  if (is.null(dynmar)) dynmar = get_tpar("dynmar")
+  dynmar = isTRUE(dynmar)
   
   ## optionally allow to modify the style of axis interval calculation
   if (!is.null(xaxs)) par(xaxs = xaxs)
diff --git a/R/tinyplot.R b/R/tinyplot.R
index 83a6dc31..522fb5d6 100644
--- a/R/tinyplot.R
+++ b/R/tinyplot.R
@@ -1229,7 +1229,8 @@ tinyplot.default = function(
       has_legend = has_legend,
       type = type,
       x = x, xmax = xmax, xmin = xmin,
-      y = y, ymax = ymax, ymin = ymin
+      y = y, ymax = ymax, ymin = ymin,
+      dynmar = dynmar
     ),
     list = list(
       add = add,
@@ -1252,7 +1253,8 @@ tinyplot.default = function(
       has_legend = has_legend,
       type = type,
       x = datapoints$x, xmax = datapoints$xmax, xmin = datapoints$xmin,
-      y = datapoints$y, ymax = datapoints$ymax, ymin = datapoints$ymin
+      y = datapoints$y, ymax = datapoints$ymax, ymin = datapoints$ymin,
+      dynmar = get_tpar("dynmar") # https://github.com/grantmcdermott/tinyplot/issues/474
     ),
     getNamespace("tinyplot")
   )
diff --git a/R/zzz.R b/R/zzz.R
index ddd76daa..942e7082 100644
--- a/R/zzz.R
+++ b/R/zzz.R
@@ -18,6 +18,7 @@
     "cex_fct_adj",
     "dots",
     "draw",
+    "dynmar",
     "facet_bg",
     "facet_border",
     "facet_col",
diff --git a/man/facet.Rd b/man/facet.Rd
index 5028a35c..4ee9002e 100644
--- a/man/facet.Rd
+++ b/man/facet.Rd
@@ -53,7 +53,8 @@ draw_facet_window(
   xmin,
   y,
   ymax,
-  ymin
+  ymin,
+  dynmar = NULL
 )
 
 facet_layout(facet, add = FALSE, facet.args = list())