diff --git a/code/espurna/pow.ino b/code/espurna/pow.ino
index 488fb350..3b8e587e 100644
--- a/code/espurna/pow.ino
+++ b/code/espurna/pow.ino
@@ -23,11 +23,11 @@ bool _powEnabled = false;
 
 // When using interrupts we have to call the library entry point
 // whenever an interrupt is triggered
-void hlw8012_cf1_interrupt() {
+void ICACHE_RAM_ATTR hlw8012_cf1_interrupt() {
     hlw8012.cf1_interrupt();
 }
 
-void hlw8012_cf_interrupt() {
+void ICACHE_RAM_ATTR hlw8012_cf_interrupt() {
     hlw8012.cf_interrupt();
 }
 
diff --git a/code/platformio.ini b/code/platformio.ini
index 27a01024..18b4fed4 100644
--- a/code/platformio.ini
+++ b/code/platformio.ini
@@ -21,7 +21,7 @@ lib_deps =
     DallasTemperature
     Brzo I2C
     https://bitbucket.org/xoseperez/justwifi.git#1.1.3
-    https://bitbucket.org/xoseperez/hlw8012.git#1.0.0
+    https://bitbucket.org/xoseperez/hlw8012.git#1.0.1
     https://bitbucket.org/xoseperez/fauxmoesp.git#2.1.0
     https://bitbucket.org/xoseperez/nofuss.git#0.2.2
     https://bitbucket.org/xoseperez/emonliteesp.git#0.1.2