diff --git a/data/Makefile b/data/Makefile
index 23b949a..6e81949 100644
--- a/data/Makefile
+++ b/data/Makefile
@@ -3,7 +3,7 @@ PREFIX	= /usr/local
 DESTDIR	=
 RM	= rm -f
 LN	= ln -f
-MKDIR	= mkdir -p
+MKDIR	= mkdir -m 0755 -p
 INSTALL	= install
 
 
diff --git a/doc/Makefile b/doc/Makefile
index 335e133..eed25b9 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -4,7 +4,7 @@ PREFIX	= /usr/local
 DESTDIR	=
 RM	= rm -f
 LN	= ln -f
-MKDIR	= mkdir -p
+MKDIR	= mkdir -m 0755 -p
 INSTALL	= install
 
 
diff --git a/include/Database/Makefile b/include/Database/Makefile
index 7acc330..1952277 100644
--- a/include/Database/Makefile
+++ b/include/Database/Makefile
@@ -2,7 +2,7 @@ PREFIX	= /usr/local
 DESTDIR	=
 RM	= rm -f
 LN	= ln -f
-MKDIR	= mkdir -p
+MKDIR	= mkdir -m 0755 -p
 INSTALL	= install
 INCLUDEDIR= $(PREFIX)/include
 
diff --git a/include/Makefile b/include/Makefile
index 2bd42de..4e1bce0 100644
--- a/include/Makefile
+++ b/include/Makefile
@@ -3,7 +3,7 @@ PREFIX	= /usr/local
 DESTDIR	=
 RM	= rm -f
 LN	= ln -f
-MKDIR	= mkdir -p
+MKDIR	= mkdir -m 0755 -p
 INSTALL	= install
 INCLUDEDIR= $(PREFIX)/include
 
diff --git a/src/Makefile b/src/Makefile
index 0e26276..058cd2f 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -13,7 +13,7 @@ RANLIB	= ranlib
 CCSHARED= $(CC) -shared
 RM	= rm -f
 LN	= ln -f
-MKDIR	= mkdir -p
+MKDIR	= mkdir -m 0755 -p
 INSTALL	= install
 
 
diff --git a/src/engines/Makefile b/src/engines/Makefile
index 41aa1e7..d77bc77 100644
--- a/src/engines/Makefile
+++ b/src/engines/Makefile
@@ -12,7 +12,7 @@ RANLIB	= ranlib
 CCSHARED= $(CC) -shared
 RM	= rm -f
 LN	= ln -f
-MKDIR	= mkdir -p
+MKDIR	= mkdir -m 0755 -p
 INSTALL	= install