diff --git a/examples/enums/Makefile b/examples/enums/Makefile
index 4fe6835..cd5563d 100644
--- a/examples/enums/Makefile
+++ b/examples/enums/Makefile
@@ -4,8 +4,8 @@ RTL_TARGETS = $(subst .rdl,.sv,srdl2sv_out/$(shell ls *.rdl))
 
 default: $(RTL_TARGETS)
 
-srdl2sv_out/%.sv: %.rdl
-	srdl2sv $? --out-dir $(shell dirname $@) --stdout-logging INFO
+srdl2sv_out/%.sv: %.rdl $(shell which srdl2sv)
+	srdl2sv $< --out-dir $(shell dirname $@) --stdout-logging INFO
 
 clean:
 	rm -rf srdl2sv_out
diff --git a/examples/hierarchical_regfiles/Makefile b/examples/hierarchical_regfiles/Makefile
index 4fe6835..cd5563d 100644
--- a/examples/hierarchical_regfiles/Makefile
+++ b/examples/hierarchical_regfiles/Makefile
@@ -4,8 +4,8 @@ RTL_TARGETS = $(subst .rdl,.sv,srdl2sv_out/$(shell ls *.rdl))
 
 default: $(RTL_TARGETS)
 
-srdl2sv_out/%.sv: %.rdl
-	srdl2sv $? --out-dir $(shell dirname $@) --stdout-logging INFO
+srdl2sv_out/%.sv: %.rdl $(shell which srdl2sv)
+	srdl2sv $< --out-dir $(shell dirname $@) --stdout-logging INFO
 
 clean:
 	rm -rf srdl2sv_out
diff --git a/examples/interrupt_hierarchy/Makefile b/examples/interrupt_hierarchy/Makefile
index 4fe6835..cd5563d 100644
--- a/examples/interrupt_hierarchy/Makefile
+++ b/examples/interrupt_hierarchy/Makefile
@@ -4,8 +4,8 @@ RTL_TARGETS = $(subst .rdl,.sv,srdl2sv_out/$(shell ls *.rdl))
 
 default: $(RTL_TARGETS)
 
-srdl2sv_out/%.sv: %.rdl
-	srdl2sv $? --out-dir $(shell dirname $@) --stdout-logging INFO
+srdl2sv_out/%.sv: %.rdl $(shell which srdl2sv)
+	srdl2sv $< --out-dir $(shell dirname $@) --stdout-logging INFO
 
 clean:
 	rm -rf srdl2sv_out
diff --git a/examples/simple_rw_reg/Makefile b/examples/simple_rw_reg/Makefile
index 4fe6835..cd5563d 100644
--- a/examples/simple_rw_reg/Makefile
+++ b/examples/simple_rw_reg/Makefile
@@ -4,8 +4,8 @@ RTL_TARGETS = $(subst .rdl,.sv,srdl2sv_out/$(shell ls *.rdl))
 
 default: $(RTL_TARGETS)
 
-srdl2sv_out/%.sv: %.rdl
-	srdl2sv $? --out-dir $(shell dirname $@) --stdout-logging INFO
+srdl2sv_out/%.sv: %.rdl $(shell which srdl2sv)
+	srdl2sv $< --out-dir $(shell dirname $@) --stdout-logging INFO
 
 clean:
 	rm -rf srdl2sv_out