diff --git a/Makefile b/Makefile
index c235aff7c0f..5d14ce4679e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-include config.mk
+-include config.mk
 
 ifneq ($(HAVE_MAN),no)
 MAN_TARGET = man
diff --git a/src/bash_completion/Makefile b/src/bash_completion/Makefile
index 9157c92253c..16c4a31ee4c 100644
--- a/src/bash_completion/Makefile
+++ b/src/bash_completion/Makefile
@@ -2,7 +2,7 @@
 all: firejail.bash_completion
 
 ROOT = ../..
-include $(ROOT)/config.mk
+-include $(ROOT)/config.mk
 
 firejail.bash_completion: firejail.bash_completion.in
 	gawk -f ../man/preproc.awk -- $(MANFLAGS) < $< > $@.tmp
diff --git a/src/common.mk b/src/common.mk
index 2b87c33f0ba..07b5e373ded 100644
--- a/src/common.mk
+++ b/src/common.mk
@@ -2,7 +2,7 @@
 #
 # Note: "ROOT" must be defined before including this file.
 
-include $(ROOT)/config.mk
+-include $(ROOT)/config.mk
 
 H_FILE_LIST       = $(sort $(wildcard *.h))
 C_FILE_LIST       = $(sort $(wildcard *.c))
diff --git a/src/libpostexecseccomp/Makefile b/src/libpostexecseccomp/Makefile
index 2f108d8b9e0..14e0cdb1d19 100644
--- a/src/libpostexecseccomp/Makefile
+++ b/src/libpostexecseccomp/Makefile
@@ -1,5 +1,5 @@
 ROOT = ../..
-include $(ROOT)/config.mk
+-include $(ROOT)/config.mk
 
 H_FILE_LIST       = $(sort $(wildcard *.h))
 C_FILE_LIST       = $(sort $(wildcard *.c))
diff --git a/src/libtrace/Makefile b/src/libtrace/Makefile
index 11c75136dc1..46a8f97c2f0 100644
--- a/src/libtrace/Makefile
+++ b/src/libtrace/Makefile
@@ -1,5 +1,5 @@
 ROOT = ../..
-include $(ROOT)/config.mk
+-include $(ROOT)/config.mk
 
 H_FILE_LIST       = $(sort $(wildcard *.h))
 C_FILE_LIST       = $(sort $(wildcard *.c))
diff --git a/src/libtracelog/Makefile b/src/libtracelog/Makefile
index d09a8aa1cca..1a3ab1ba5a0 100644
--- a/src/libtracelog/Makefile
+++ b/src/libtracelog/Makefile
@@ -1,5 +1,5 @@
 ROOT = ../..
-include $(ROOT)/config.mk
+-include $(ROOT)/config.mk
 
 H_FILE_LIST       = $(sort $(wildcard *.h))
 C_FILE_LIST       = $(sort $(wildcard *.c))
diff --git a/src/man/Makefile b/src/man/Makefile
index c83a4b7ebd4..b786e1ca99c 100644
--- a/src/man/Makefile
+++ b/src/man/Makefile
@@ -2,7 +2,7 @@
 all: firecfg.man firejail.man firejail-login.man firejail-users.man firejail-profile.man firemon.man jailcheck.man
 
 ROOT = ../..
-include $(ROOT)/config.mk
+-include $(ROOT)/config.mk
 
 %.man: %.txt
 	gawk -f ./preproc.awk -- $(MANFLAGS) < $< > $@
diff --git a/src/zsh_completion/Makefile b/src/zsh_completion/Makefile
index 303057b0b46..bec0150495a 100644
--- a/src/zsh_completion/Makefile
+++ b/src/zsh_completion/Makefile
@@ -2,7 +2,7 @@
 all: _firejail
 
 ROOT = ../..
-include $(ROOT)/config.mk
+-include $(ROOT)/config.mk
 
 _firejail: _firejail.in
 	gawk -f ../man/preproc.awk -- $(MANFLAGS) < $< > $@.tmp