diff --git a/R/qtm.R b/R/qtm.R
index 57728821..1aaee851 100644
--- a/R/qtm.R
+++ b/R/qtm.R
@@ -62,17 +62,17 @@
 #'   Journal of Statistical Software, 84(6), 1-39, \doi{10.18637/jss.v084.i06}
 #' @export
 qtm = function(shp = NULL,
-				fill = tm_const(),
-				col = tm_const(),
-				size = tm_const(),
-				shape = tm_const(),
-				lwd = tm_const(),
-				lty = tm_const(),
-				fill_alpha = tm_const(),
-				col_alpha = tm_const(),
-				text = tm_const(),
-				text_col = tm_const(),
-				text_size = tm_const(),
+				fill = tmap::tm_const(),
+				col = tmap::tm_const(),
+				size = tmap::tm_const(),
+				shape = tmap::tm_const(),
+				lwd = tmap::tm_const(),
+				lty = tmap::tm_const(),
+				fill_alpha = tmap::tm_const(),
+				col_alpha = tmap::tm_const(),
+				text = tmap::tm_const(),
+				text_col = tmap::tm_const(),
+				text_size = tmap::tm_const(),
 				by = NULL,
 				scale = NULL,
 				title = NULL,
diff --git a/man/qtm.Rd b/man/qtm.Rd
index 542f4093..2b9416eb 100644
--- a/man/qtm.Rd
+++ b/man/qtm.Rd
@@ -6,17 +6,17 @@
 \usage{
 qtm(
   shp = NULL,
-  fill = tm_const(),
-  col = tm_const(),
-  size = tm_const(),
-  shape = tm_const(),
-  lwd = tm_const(),
-  lty = tm_const(),
-  fill_alpha = tm_const(),
-  col_alpha = tm_const(),
-  text = tm_const(),
-  text_col = tm_const(),
-  text_size = tm_const(),
+  fill = tmap::tm_const(),
+  col = tmap::tm_const(),
+  size = tmap::tm_const(),
+  shape = tmap::tm_const(),
+  lwd = tmap::tm_const(),
+  lty = tmap::tm_const(),
+  fill_alpha = tmap::tm_const(),
+  col_alpha = tmap::tm_const(),
+  text = tmap::tm_const(),
+  text_col = tmap::tm_const(),
+  text_size = tmap::tm_const(),
   by = NULL,
   scale = NULL,
   title = NULL,