diff --git a/src/target/cortexm.c b/src/target/cortexm.c
index 3f25b77..83f9823 100644
--- a/src/target/cortexm.c
+++ b/src/target/cortexm.c
@@ -506,7 +506,7 @@ bool cortexm_attach(target *t)
 	priv->flash_patch_revision = (r >> 28);
 	priv->hw_watchpoint_max = CORTEXM_MAX_WATCHPOINTS;
 	r = target_mem_read32(t, CORTEXM_DWT_CTRL);
-	if ((r >> 28) > priv->hw_watchpoint_max)
+	if ((r >> 28) < priv->hw_watchpoint_max)
 		priv->hw_watchpoint_max = r >> 28;
 
 	/* Clear any stale breakpoints */
@@ -679,7 +679,7 @@ static int dcrsr_regnum(target *t, unsigned reg)
 		return regnum_cortex_m[reg];
 	} else if ((t->target_options & TOPT_FLAVOUR_V7MF) &&
 	           (reg < (sizeof(regnum_cortex_m) +
-	                   sizeof(regnum_cortex_mf) / 4))) {
+	                   sizeof(regnum_cortex_mf)) / 4)) {
 		return regnum_cortex_mf[reg - sizeof(regnum_cortex_m)/4];
 	} else {
 		return -1;