diff --git a/Makefile b/Makefile
index 9084e7391..47e32c272 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@
 
 GIT_VERSION ?= $(shell git describe --long --abbrev=7)
 ifndef GIT_VERSION
-$(error GIT_VERSION is not set)
+    $(error GIT_VERSION is not set)
 endif
 
 ### NOTES:
@@ -47,7 +47,7 @@ ifneq ($(CPLUSPLUS),201703L)
 	CPLUSPLUS := $(shell ${CC} -std=c++11 -dM -E -x c++ /dev/null 2>/dev/null| grep -F __cplusplus | grep -Po '\d\d\d\d\d\dL')
 	LEGACY_BUILD := 1
 ifneq ($(CPLUSPLUS),201103L)
-	$(error Compiler must support at least c++11)
+    $(error Compiler must support at least c++11)
 endif
 endif
 STDCPP := -std=c++$(shell echo $(CPLUSPLUS) | cut -c3-4) -DCXX$(shell echo $(CPLUSPLUS) | cut -c3-4)
diff --git a/deps/Makefile b/deps/Makefile
index 7fa0cec5b..2b28c2cec 100644
--- a/deps/Makefile
+++ b/deps/Makefile
@@ -32,7 +32,7 @@ CPLUSPLUS := $(shell ${CC} -std=c++17 -dM -E -x c++ /dev/null 2>/dev/null | grep
 ifneq ($(CPLUSPLUS),201703L)
 	CPLUSPLUS := $(shell ${CC} -std=c++11 -dM -E -x c++ /dev/null 2>/dev/null| grep -F __cplusplus | grep -Po '\d\d\d\d\d\dL')
 ifneq ($(CPLUSPLUS),201103L)
-	$(error Compiler must support at least c++11)
+    $(error Compiler must support at least c++11)
 endif
 endif
 STDCPP := -std=c++$(shell echo $(CPLUSPLUS) | cut -c3-4) -DCXX$(shell echo $(CPLUSPLUS) | cut -c3-4)
diff --git a/lib/Makefile b/lib/Makefile
index c752ff254..b9f61c6cd 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -3,7 +3,7 @@
 
 GIT_VERSION ?= $(shell git describe --long --abbrev=7)
 ifndef GIT_VERSION
-	$(error GIT_VERSION is not set)
+    $(error GIT_VERSION is not set)
 endif
 
 DEPS_PATH := ../deps
@@ -95,7 +95,7 @@ CPLUSPLUS := $(shell ${CC} -std=c++17 -dM -E -x c++ /dev/null 2>/dev/null | grep
 ifneq ($(CPLUSPLUS),201703L)
 	CPLUSPLUS := $(shell ${CC} -std=c++11 -dM -E -x c++ /dev/null 2>/dev/null| grep -F __cplusplus | grep -Po '\d\d\d\d\d\dL')
 ifneq ($(CPLUSPLUS),201103L)
-$(error Compiler must support at least c++11)
+    $(error Compiler must support at least c++11)
 endif
 endif
 STDCPP := -std=c++$(shell echo $(CPLUSPLUS) | cut -c3-4) -DCXX$(shell echo $(CPLUSPLUS) | cut -c3-4)
@@ -122,8 +122,8 @@ default: libproxysql.a
 .PHONY: default
 
 _OBJ_CXX := ProxySQL_GloVars.oo network.oo debug.oo configfile.oo Query_Cache.oo SpookyV2.oo MySQL_Authentication.oo gen_utils.oo sqlite3db.oo mysql_connection.oo MySQL_HostGroups_Manager.oo mysql_data_stream.oo MySQL_Thread.oo MySQL_Session.oo MySQL_Protocol.oo mysql_backend.oo Query_Processor.oo ProxySQL_Admin.oo ProxySQL_Config.oo ProxySQL_Restapi.oo MySQL_Monitor.oo MySQL_Logger.oo thread.oo MySQL_PreparedStatement.oo ProxySQL_Cluster.oo ClickHouse_Authentication.oo ClickHouse_Server.oo ProxySQL_Statistics.oo Chart_bundle_js.oo ProxySQL_HTTP_Server.oo ProxySQL_RESTAPI_Server.oo font-awesome.min.css.oo main-bundle.min.css.oo set_parser.oo MySQL_Variables.oo c_tokenizer.oo proxysql_utils.oo proxysql_coredump.oo proxysql_sslkeylog.oo \
-  sha256crypt.oo \
-  proxysql_find_charset.oo ProxySQL_Poll.oo
+	sha256crypt.oo \
+	proxysql_find_charset.oo ProxySQL_Poll.oo
 OBJ_CXX := $(patsubst %,$(ODIR)/%,$(_OBJ_CXX))
 HEADERS := ../include/*.h ../include/*.hpp
 
diff --git a/src/Makefile b/src/Makefile
index 52a3d626e..67ea80f12 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -3,7 +3,7 @@
 
 GIT_VERSION ?= $(shell git describe --long --abbrev=7)
 ifndef GIT_VERSION
-	$(error GIT_VERSION is not set)
+    $(error GIT_VERSION is not set)
 endif
 
 CENTOSVER := Unknown
@@ -109,7 +109,7 @@ CPLUSPLUS := $(shell ${CC} -std=c++17 -dM -E -x c++ /dev/null 2>/dev/null | grep
 ifneq ($(CPLUSPLUS),201703L)
 	CPLUSPLUS := $(shell ${CC} -std=c++11 -dM -E -x c++ /dev/null 2>/dev/null| grep -F __cplusplus | grep -Po '\d\d\d\d\d\dL')
 ifneq ($(CPLUSPLUS),201103L)
-$(error Compiler must support at least c++11)
+    $(error Compiler must support at least c++11)
 endif
 endif
 STDCPP := -std=c++$(shell echo $(CPLUSPLUS) | cut -c3-4) -DCXX$(shell echo $(CPLUSPLUS) | cut -c3-4)
diff --git a/test/tap/tap/Makefile b/test/tap/tap/Makefile
index 39d6986f5..627fde406 100644
--- a/test/tap/tap/Makefile
+++ b/test/tap/tap/Makefile
@@ -3,7 +3,7 @@
 
 GIT_VERSION ?= $(shell git describe --long --abbrev=7)
 ifndef GIT_VERSION
-	$(error GIT_VERSION is not set)
+    $(error GIT_VERSION is not set)
 endif
 
 
@@ -42,7 +42,7 @@ CPLUSPLUS := $(shell ${CC} -std=c++17 -dM -E -x c++ /dev/null 2>/dev/null | grep
 ifneq ($(CPLUSPLUS),201703L)
 	CPLUSPLUS := $(shell ${CC} -std=c++11 -dM -E -x c++ /dev/null 2>/dev/null| grep -F __cplusplus | grep -Po '\d\d\d\d\d\dL')
 ifneq ($(CPLUSPLUS),201103L)
-	$(error Compiler must support at least c++11)
+    $(error Compiler must support at least c++11)
 endif
 endif
 STDCPP := -std=c++$(shell echo $(CPLUSPLUS) | cut -c3-4) -DCXX$(shell echo $(CPLUSPLUS) | cut -c3-4)
diff --git a/test/tap/tests/Makefile b/test/tap/tests/Makefile
index 235c9a854..965146eee 100644
--- a/test/tap/tests/Makefile
+++ b/test/tap/tests/Makefile
@@ -3,7 +3,7 @@
 
 GIT_VERSION ?= $(shell git describe --long --abbrev=7)
 ifndef GIT_VERSION
-	$(error GIT_VERSION is not set)
+    $(error GIT_VERSION is not set)
 endif
 
 
@@ -126,8 +126,8 @@ STATIC_LIBS := $(CITYHASH_LDIR)/libcityhash.a
 
 LIBCOREDUMPERAR :=
 ifeq ($(UNAME_S),Linux)
-  LIBCOREDUMPERAR := $(COREDUMPER_LDIR)/libcoredumper.a
-  STATIC_LIBS += $(LIBCOREDUMPERAR)
+	LIBCOREDUMPERAR := $(COREDUMPER_LDIR)/libcoredumper.a
+	STATIC_LIBS += $(LIBCOREDUMPERAR)
 endif
 
 ### detect compiler support for c++11/17
@@ -135,7 +135,7 @@ CPLUSPLUS := $(shell ${CC} -std=c++17 -dM -E -x c++ /dev/null 2>/dev/null | grep
 ifneq ($(CPLUSPLUS),201703L)
 	CPLUSPLUS := $(shell ${CC} -std=c++11 -dM -E -x c++ /dev/null 2>/dev/null| grep -F __cplusplus | grep -Po '\d\d\d\d\d\dL')
 ifneq ($(CPLUSPLUS),201103L)
-	$(error Compiler must support at least c++11)
+    $(error Compiler must support at least c++11)
 endif
 endif
 STDCPP := -std=c++$(shell echo $(CPLUSPLUS) | cut -c3-4) -DCXX$(shell echo $(CPLUSPLUS) | cut -c3-4)
diff --git a/test/tap/tests_with_deps/deprecate_eof_support/Makefile b/test/tap/tests_with_deps/deprecate_eof_support/Makefile
index a1d719294..16fcbf35b 100644
--- a/test/tap/tests_with_deps/deprecate_eof_support/Makefile
+++ b/test/tap/tests_with_deps/deprecate_eof_support/Makefile
@@ -3,7 +3,7 @@
 
 GIT_VERSION ?= $(shell git describe --long --abbrev=7)
 ifndef GIT_VERSION
-	$(error GIT_VERSION is not set)
+    $(error GIT_VERSION is not set)
 endif
 
 
@@ -90,7 +90,7 @@ CPLUSPLUS := $(shell ${CC} -std=c++17 -dM -E -x c++ /dev/null 2>/dev/null | grep
 ifneq ($(CPLUSPLUS),201703L)
 	CPLUSPLUS := $(shell ${CC} -std=c++11 -dM -E -x c++ /dev/null 2>/dev/null| grep -F __cplusplus | grep -Po '\d\d\d\d\d\dL')
 ifneq ($(CPLUSPLUS),201103L)
-	$(error Compiler must support at least c++11)
+    $(error Compiler must support at least c++11)
 endif
 endif
 STDCPP := -std=c++$(shell echo $(CPLUSPLUS) | cut -c3-4) -DCXX$(shell echo $(CPLUSPLUS) | cut -c3-4)