diff --git a/Examples/Makefile.in b/Examples/Makefile.in
index 8218f5122..58da8ec1d 100644
--- a/Examples/Makefile.in
+++ b/Examples/Makefile.in
@@ -463,7 +463,7 @@ octave_cpp: $(SRCDIR_SRCS)
 # -----------------------------------------------------------------
 
 octave_run:
-	OCTAVE_HISTFILE=/dev/null $(RUNTOOL) $(OCTAVE) $(OCTAVE_SCRIPT) $(RUNPIPE)
+	env OCTAVE_PATH= OCTAVE_HISTFILE=/dev/null $(RUNTOOL) $(OCTAVE) $(OCTAVE_SCRIPT) $(RUNPIPE)
 
 # -----------------------------------------------------------------
 # Version display
diff --git a/Examples/test-suite/octave/Makefile.in b/Examples/test-suite/octave/Makefile.in
index f5ad0e8a5..3c8f3b165 100644
--- a/Examples/test-suite/octave/Makefile.in
+++ b/Examples/test-suite/octave/Makefile.in
@@ -65,7 +65,7 @@ CSRCS      = octave_empty.c
 # a file is found which has _runme.m appended after the testcase name.
 run_testcase = \
 	if [ -f $(SCRIPTDIR)/$(SCRIPTPREFIX)$*$(SCRIPTSUFFIX) ]; then \
-	  env LD_LIBRARY_PATH=.:$$LD_LIBRARY_PATH OCTAVE_PATH=$(srcdir):$$OCTAVE_PATH $(RUNTOOL) $(OCTAVE) $(SCRIPTDIR)/$(SCRIPTPREFIX)$*$(SCRIPTSUFFIX); \
+	  env LD_LIBRARY_PATH=.:$$LD_LIBRARY_PATH OCTAVE_PATH=$(srcdir) OCTAVE_HISTFILE=/dev/null $(RUNTOOL) $(OCTAVE) $(SCRIPTDIR)/$(SCRIPTPREFIX)$*$(SCRIPTSUFFIX); \
 	fi
 
 # Clean: remove the generated .m file