diff --git a/src/libs/core/meson.build b/src/libs/core/meson.build
index 9dd183fb..73478415 100644
--- a/src/libs/core/meson.build
+++ b/src/libs/core/meson.build
@@ -8,11 +8,10 @@ subdir('hash-library')
 subdir('helper')
 
 temp = core_lib.get('compile_args')
-temp +=  '-DOOPETRIS_LIBRARY_CORE_TYPE='+  (get_option('default_library') == 'static' ? '1' : '0')
+temp += '-DOOPETRIS_LIBRARY_CORE_TYPE=' + (get_option('default_library') == 'static' ? '1' : '0')
 core_lib += {'compile_args': temp}
 temp = 0
 
-
 liboopetris_core = library(
     'oopetris_core',
     core_src_files,
diff --git a/src/libs/recordings/meson.build b/src/libs/recordings/meson.build
index e091b1b4..68a6444d 100644
--- a/src/libs/recordings/meson.build
+++ b/src/libs/recordings/meson.build
@@ -6,14 +6,13 @@ recordings_include_dir = include_dir / 'oopetris' / 'recordings'
 subdir('utility')
 
 temp = recordings_lib.get('compile_args')
-temp +=   '-DOOPETRIS_LIBRARY_RECORDINGS_TYPE='+         (get_option('default_library') == 'static' ? '1' : '0')
+temp += '-DOOPETRIS_LIBRARY_RECORDINGS_TYPE=' + (get_option('default_library') == 'static' ? '1' : '0')
 recordings_lib += {'compile_args': temp}
 temp = 0
 
-
 recordings_lib += {
     'deps': [recordings_lib.get('deps'), liboopetris_core_dep],
-    'inc_dirs': [recordings_lib.get('inc_dirs'), include_directories('.')]
+    'inc_dirs': [recordings_lib.get('inc_dirs'), include_directories('.')],
 }
 
 liboopetris_recordings = library(
diff --git a/src/meson.build b/src/meson.build
index d4598074..75d0d473 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -23,9 +23,11 @@ if build_application
     graphics_lib += {
         'deps': [graphics_lib.get('deps'), liboopetris_recordings_dep],
         'inc_dirs': [graphics_lib.get('inc_dirs'), include_directories('.')],
-        'compile_args' : [graphics_lib.get('compile_args'),
-        '-DOOPETRIS_LIBRARY_GRAPHICS_TYPE='+
-            (get_option('default_library') == 'static' ? '1' : '0')]
+        'compile_args': [
+            graphics_lib.get('compile_args'),
+            '-DOOPETRIS_LIBRARY_GRAPHICS_TYPE='
+            + (get_option('default_library') == 'static' ? '1' : '0'),
+        ],
     }
 
     liboopetris_graphics = library(