diff --git a/Makefile b/Makefile
index 89ea475..0b3565f 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@ INCLUDEDIR := $(PREFIX)/include
 CC := cc
 AR := ar
 RANLIB := ranlib
-CFLAGS := -O2 -Wall -Wextra -Wshadow -ansi -pedantic -std=c99 -D_XOPEN_SOURCE=500 -D_POSIX_C_SOURCE=199309L
+CFLAGS := -O2 -Wall -Wextra -Wshadow -ansi -pedantic -std=c99 -D_XOPEN_SOURCE=500 -D_POSIX_C_SOURCE=200809L
 LDFLAGS := 
 
 Q := @
@@ -284,33 +284,33 @@ help:
 	@echo ' :: perfect-os-junk-0.0.1'
 	@echo ''
 	@echo 'Generic targets:'
-	@echo '    - help          Prints this help message.'
-	@echo '    - all           Builds all targets.'
-	@echo '    - dist          Creates tarballs of the files of the project.'
-	@echo '    - install       Installs the project.'
-	@echo '    - clean         Removes compiled files.'
-	@echo '    - uninstall     Deinstalls the project.'
+	@echo '    - help           Prints this help message.'
+	@echo '    - all            Builds all targets.'
+	@echo '    - dist           Creates tarballs of the files of the project.'
+	@echo '    - install        Installs the project.'
+	@echo '    - clean          Removes compiled files.'
+	@echo '    - uninstall      Deinstalls the project.'
 	@echo ''
 	@echo 'CLI-modifiable variables:'
-	@echo '    - CC            ${CC}'
-	@echo '    - CFLAGS        ${CFLAGS}'
-	@echo '    - LDFLAGS       ${LDFLAGS}'
-	@echo '    - DESTDIR       ${DESTDIR}'
-	@echo '    - PREFIX        ${PREFIX}'
-	@echo '    - BINDIR        ${BINDIR}'
-	@echo '    - LIBDIR        ${LIBDIR}'
-	@echo '    - SHAREDIR      ${SHAREDIR}'
-	@echo '    - INCLUDEDIR    ${INCLUDEDIR}'
+	@echo '    - CC             ${CC}'
+	@echo '    - CFLAGS         ${CFLAGS}'
+	@echo '    - LDFLAGS        ${LDFLAGS}'
+	@echo '    - DESTDIR        ${DESTDIR}'
+	@echo '    - PREFIX         ${PREFIX}'
+	@echo '    - BINDIR         ${BINDIR}'
+	@echo '    - LIBDIR         ${LIBDIR}'
+	@echo '    - SHAREDIR       ${SHAREDIR}'
+	@echo '    - INCLUDEDIR     ${INCLUDEDIR}'
 	@echo ''
 	@echo 'Project targets: '
-	@echo '    - libposj       library'
-	@echo '    - pingpong/pingpongbinary'
-	@echo '    - pubsub/pubsub binary'
-	@echo '    - pubsub/pubsub-test-sendbinary'
+	@echo '    - libposj        library'
+	@echo '    - pingpong/pingpong binary'
+	@echo '    - pubsub/pubsub  binary'
+	@echo '    - pubsub/pubsub-test-send binary'
 	@echo ''
 	@echo 'Makefile options:'
-	@echo '    - gnu:          true'
-	@echo '    - colors:       true'
+	@echo '    - gnu:           true'
+	@echo '    - colors:        true'
 	@echo ''
 	@echo 'Rebuild the Makefile with:'
 	@echo '    zsh ./build.zsh -c -g'
diff --git a/project.zsh b/project.zsh
index 2d2e287..2f6b73d 100644
--- a/project.zsh
+++ b/project.zsh
@@ -2,7 +2,7 @@
 package=perfect-os-junk
 version=0.0.1
 
-CFLAGS="-O2 -Wall -Wextra -Wshadow -ansi -pedantic -std=c99 -D_XOPEN_SOURCE=500 -D_POSIX_C_SOURCE=199309L"
+CFLAGS="-O2 -Wall -Wextra -Wshadow -ansi -pedantic -std=c99 -D_XOPEN_SOURCE=500 -D_POSIX_C_SOURCE=200809L"
 
 targets=(libposj)
 type[libposj]=library