diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index f0152970898e..9d361ac16168 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -1870,6 +1870,10 @@ let
       ];
     });
 
+    trajeR = old.trajeR.overrideAttrs (attrs: {
+      patches = [ ./patches/trajeR.patch ];
+    });
+
     arcpbf = old.arcpbf.overrideAttrs (attrs: {
       postPatch = "patchShebangs configure";
     });
diff --git a/pkgs/development/r-modules/patches/trajeR.patch b/pkgs/development/r-modules/patches/trajeR.patch
new file mode 100644
index 000000000000..2424090567a9
--- /dev/null
+++ b/pkgs/development/r-modules/patches/trajeR.patch
@@ -0,0 +1,13 @@
+diff --git a/src/Makevars b/src/Makevars
+index d147226..a79380e 100755
+--- a/src/Makevars
++++ b/src/Makevars
+@@ -19,7 +19,7 @@ PKG_LIBS = $(SHLIB_OPENMP_CXXFLAGS) $(LAPACK_LIBS) $(BLAS_LIBS) $(FLIBS)
+ 
+ # strip debug symbols for smaller Linux binaries
+ strippedLib: $(SHLIB)
+-		if test -e "/usr/bin/strip" & test -e "/bin/uname" & [[ `uname` == "Linux" ]] ; \
++		@if [[ -e "/usr/bin/strip" && -e "/bin/uname" && $(shell uname) == "Linux" ]] ; \
+         then /usr/bin/strip --strip-debug $(SHLIB); fi
+ .phony: strippedLib
+