diff --git i/Makefile w/Makefile
index c45b32b..258189c 100644
--- i/Makefile
+++ w/Makefile
@@ -5,7 +5,8 @@ TARGET   := $(notdir $(CURDIR))
 BUILD    := build
 INCLUDES := include
 SOURCES  := source
-DEFINES  := -D_FORTIFY_SOURCE=2
+LSBLK_PATH ?= /usr/bin/lsblk
+DEFINES  := -D_FORTIFY_SOURCE=2 -DLSBLK_PATH=\"$(LSBLK_PATH)\"
 
 
 # Compiler settings
diff --git i/source/blockdev.cpp w/source/blockdev.cpp
index a179604..b4de5ef 100644
--- i/source/blockdev.cpp
+++ w/source/blockdev.cpp
@@ -7,6 +7,7 @@
 #include <errno.h>
 #include <fcntl.h>     // open()...
 #include <linux/fs.h>  // BLKGETSIZE64...
+#include <limits.h>    // PATH_MAX
 #include <sys/ioctl.h> // ioctl()...
 #include <sys/stat.h>  // S_IRUSR, S_IWUSR...
 #include <unistd.h>    // write(), close()...
@@ -21,8 +22,10 @@
 static int checkDevice(const char *const path)
 {
 	int res = EINVAL; // By default assume the given path is not a suitable device.
-	char cmd[64] = "/usr/bin/lsblk -dnr -oTYPE,HOTPLUG,PHY-SEC ";
-	strncpy(&cmd[43], path, sizeof(cmd) - 43);
+	const char cmdPrefix[] = LSBLK_PATH " -dnr -oTYPE,HOTPLUG,PHY-SEC ";
+	char cmd[sizeof(cmdPrefix) + PATH_MAX];
+	memcpy(cmd, cmdPrefix, sizeof(cmdPrefix) - 1);
+	strncpy(&cmd[sizeof(cmdPrefix) - 1], path, sizeof(cmd) - sizeof(cmdPrefix));
 	cmd[sizeof(cmd) - 1] = '\0';
 	FILE *const p = ::popen(cmd, "r");
 	if(p == nullptr)