diff --git a/host/hackrf-tools/src/hackrf_spiflash.c b/host/hackrf-tools/src/hackrf_spiflash.c
index 34c67277..6a6d6880 100644
--- a/host/hackrf-tools/src/hackrf_spiflash.c
+++ b/host/hackrf-tools/src/hackrf_spiflash.c
@@ -32,7 +32,7 @@
 #ifndef bool
 typedef int bool;
 #define true 1
-#define false 1
+#define false 0
 #endif
 
 #ifdef _MSC_VER
diff --git a/host/hackrf-tools/src/hackrf_transfer.c b/host/hackrf-tools/src/hackrf_transfer.c
index 5b517db3..d1e2a35c 100644
--- a/host/hackrf-tools/src/hackrf_transfer.c
+++ b/host/hackrf-tools/src/hackrf_transfer.c
@@ -36,7 +36,7 @@
 #ifndef bool
 typedef int bool;
 #define true 1
-#define false 1
+#define false 0
 #endif
 
 #ifdef _WIN32
diff --git a/host/libhackrf/src/hackrf.c b/host/libhackrf/src/hackrf.c
index 44855a3f..410f8f3b 100644
--- a/host/libhackrf/src/hackrf.c
+++ b/host/libhackrf/src/hackrf.c
@@ -31,7 +31,7 @@ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSI
 #ifndef bool
 typedef int bool;
 #define true 1
-#define false 1
+#define false 0
 #endif
 // TODO: Factor this into a shared #include so that firmware can use
 // the same values.