diff --git a/Makefile b/Makefile
index 0608ebc6ed..ac95cbde4b 100755
--- a/Makefile
+++ b/Makefile
@@ -74,7 +74,11 @@ help_usage:
 	@echo test, test_all:	Test OR-Tools for all available languages.
 	@echo clean, clean_all:	Clean output from previous build for all available languages \(won\'t clean third party\).
 	@echo detect, detect_all:	Show variables used to build OR-Tools for all available languages.
-	@echo ""
+ifeq ($(SYSTEM),win)
+	@echo.
+else
+	@echo
+endif
 
 .PHONY: help_all
 help_all: help_usage help_third_party help_cc help_python help_java help_csharp help_fsharp
diff --git a/makefiles/Makefile.cpp.mk b/makefiles/Makefile.cpp.mk
index 8402c0226b..f81ade9f30 100755
--- a/makefiles/Makefile.cpp.mk
+++ b/makefiles/Makefile.cpp.mk
@@ -4,8 +4,10 @@ help_cc:
 	@echo Use one of the following C++ targets:
 ifeq ($(SYSTEM),win)
 	@tools\grep.exe "^.PHONY: .* #" $(CURDIR)/makefiles/Makefile.cpp.mk | tools\sed.exe "s/\.PHONY: \(.*\) # \(.*\)/\1\t\2/"
+	@echo.
 else
 	@grep "^.PHONY: .* #" $(CURDIR)/makefiles/Makefile.cpp.mk | sed "s/\.PHONY: \(.*\) # \(.*\)/\1\t\2/" | expand -t20
+	@echo
 endif
 
 .PHONY: ccc rcc clean_cc clean_compat ccexe
diff --git a/makefiles/Makefile.csharp.mk b/makefiles/Makefile.csharp.mk
index 2b60fe24b8..6495bf35a6 100755
--- a/makefiles/Makefile.csharp.mk
+++ b/makefiles/Makefile.csharp.mk
@@ -4,8 +4,10 @@ help_csharp:
 	@echo Use one of the following C# targets:
 ifeq ($(SYSTEM),win)
 	@tools\grep.exe "^.PHONY: .* #" $(CURDIR)/makefiles/Makefile.csharp.mk | tools\sed.exe "s/\.PHONY: \(.*\) # \(.*\)/\1\t\2/"
+	@echo.
 else
 	@grep "^.PHONY: .* #" $(CURDIR)/makefiles/Makefile.csharp.mk | sed "s/\.PHONY: \(.*\) # \(.*\)/\1\t\2/" | expand -t20
+	@echo
 endif
 
 # Check for required build tools
diff --git a/makefiles/Makefile.fsharp.mk b/makefiles/Makefile.fsharp.mk
index 7ae33c2d3a..e22b5fc8bd 100644
--- a/makefiles/Makefile.fsharp.mk
+++ b/makefiles/Makefile.fsharp.mk
@@ -4,8 +4,10 @@ help_fsharp:
 	@echo Use one of the following F# targets:
 ifeq ($(SYSTEM),win)
 	@tools\grep.exe "^.PHONY: .* #" $(CURDIR)/makefiles/Makefile.fsharp.mk | tools\sed.exe "s/\.PHONY: \(.*\) # \(.*\)/\1\t\2/"
+	@echo.
 else
 	@grep "^.PHONY: .* #" $(CURDIR)/makefiles/Makefile.fsharp.mk | sed "s/\.PHONY: \(.*\) # \(.*\)/\1\t\2/" | expand -t20
+	@echo
 endif
 
 BASE_ORTOOLS_DLL_NAME=Google.OrTools
diff --git a/makefiles/Makefile.java.mk b/makefiles/Makefile.java.mk
index b017ade5d1..af21ce31e1 100755
--- a/makefiles/Makefile.java.mk
+++ b/makefiles/Makefile.java.mk
@@ -4,8 +4,10 @@ help_java:
 	@echo Use one of the following Java targets:
 ifeq ($(SYSTEM),win)
 	@tools\grep.exe "^.PHONY: .* #" $(CURDIR)/makefiles/Makefile.java.mk | tools\sed.exe "s/\.PHONY: \(.*\) # \(.*\)/\1\t\2/"
+	@echo.
 else
 	@grep "^.PHONY: .* #" $(CURDIR)/makefiles/Makefile.java.mk | sed "s/\.PHONY: \(.*\) # \(.*\)/\1\t\2/" | expand -t24
+	@echo
 endif
 
 .PHONY: rjava cjava
diff --git a/makefiles/Makefile.python.mk b/makefiles/Makefile.python.mk
index 7086abd9ba..d4743b4f21 100755
--- a/makefiles/Makefile.python.mk
+++ b/makefiles/Makefile.python.mk
@@ -4,8 +4,10 @@ help_python:
 	@echo Use one of the following Python targets:
 ifeq ($(SYSTEM),win)
 	@tools\grep.exe "^.PHONY: .* #" $(CURDIR)/makefiles/Makefile.python.mk | tools\sed.exe "s/\.PHONY: \(.*\) # \(.*\)/\1\t\2/"
+	@echo.
 else
 	@grep "^.PHONY: .* #" $(CURDIR)/makefiles/Makefile.python.mk | sed "s/\.PHONY: \(.*\) # \(.*\)/\1\t\2/" | expand -t24
+	@echo
 endif
 
 OR_TOOLS_PYTHONPATH = $(OR_ROOT_FULL)$(CPSEP)$(OR_ROOT_FULL)$Sdependencies$Ssources$Sprotobuf-$(PROTOBUF_TAG)$Spython
diff --git a/makefiles/Makefile.third_party.unix.mk b/makefiles/Makefile.third_party.unix.mk
index 15e41c455a..746abca6e7 100644
--- a/makefiles/Makefile.third_party.unix.mk
+++ b/makefiles/Makefile.third_party.unix.mk
@@ -2,6 +2,7 @@
 help_third_party:
 	@echo Use one of the following Prerequisite targets:
 	@grep "^.PHONY: .* #" $(CURDIR)/makefiles/Makefile.third_party.unix.mk | sed "s/\.PHONY: \(.*\) # \(.*\)/\1\t\2/" | expand -t20
+	@echo
 
 # Tags of dependencies to checkout.
 GFLAGS_TAG = 2.2.1
diff --git a/makefiles/Makefile.third_party.win.mk b/makefiles/Makefile.third_party.win.mk
index 8d4d7db520..068a71af6d 100644
--- a/makefiles/Makefile.third_party.win.mk
+++ b/makefiles/Makefile.third_party.win.mk
@@ -2,6 +2,7 @@
 help_third_party:
 	@echo Use one of the following Prerequisite targets:
 	@tools\grep.exe "^.PHONY: .* #" $(CURDIR)/makefiles/Makefile.third_party.win.mk | tools\sed.exe "s/\.PHONY: \(.*\) # \(.*\)/\1\t\2/"
+	@echo.
 
 # tags of dependencies to checkout.
 GFLAGS_TAG = 2.2.1