diff --git a/utils/magimail/src/Makefile.linux b/utils/magimail/src/Makefile.linux
index a529653..ee4e5a5 100644
--- a/utils/magimail/src/Makefile.linux
+++ b/utils/magimail/src/Makefile.linux
@@ -5,7 +5,7 @@
 PLATFORMDEF = -DPLATFORM_LINUX
 EXESUFFIX =
 
-OS = `uname -s`
+OS := $(shell uname -s)
 
 BINDIR = ../bin
 OBJDIR = obj
diff --git a/utils/magimail/src/cmnllib/Makefile.linux b/utils/magimail/src/cmnllib/Makefile.linux
index b3c823e..048ef41 100644
--- a/utils/magimail/src/cmnllib/Makefile.linux
+++ b/utils/magimail/src/cmnllib/Makefile.linux
@@ -1,7 +1,7 @@
 INCDIR = ../
 
 
-OS = `uname -s`
+OS := $(shell uname -s)
 
 ifeq ($(OS), FreeBSD)
   CC = cc $(CPPFLAGS) $(CFLAGS) -DPLATFORM_LINUX $(LDFLAGS) -I $(INCDIR) -Wall
diff --git a/utils/magimail/src/oslib_linux/Makefile b/utils/magimail/src/oslib_linux/Makefile
index 5ee9b75..b8719f9 100644
--- a/utils/magimail/src/oslib_linux/Makefile
+++ b/utils/magimail/src/oslib_linux/Makefile
@@ -1,6 +1,12 @@
 INCDIR = ../
 
-CC = gcc $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -Wall -I $(INCDIR) -DPLATFORM_LINUX -g
+OS := $(shell uname -s)
+
+ifeq ($(OS), FreeBSD)
+	CC = gcc $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -Wall -I $(INCDIR) -DPLATFORM_LINUX -g
+else
+	CC = cc $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -Wall -I $(INCDIR) -DPLATFORM_LINUX -g
+endif
 AR = ar -ru
 RM = rm -f